3.1.1

Fixes #718

.github/workflows/deploy-theme.yml

@@ -1,14 +1,14 @@
 name: Deploy Theme
 on:
-  push:	
-    branches:	
+  push:
+    branches:
       - master
 jobs:
   deploy:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@master
-      - uses: TryGhost/action-deploy-theme@v1.2.1
+      - uses: actions/checkout@v2
+      - uses: TryGhost/action-deploy-theme@v1.3.1
         with:
           api-url: ${{ secrets.GHOST_ADMIN_API_URL }}
           api-key: ${{ secrets.GHOST_ADMIN_API_KEY }}

README.md

@@ -54,8 +54,7 @@ yarn zip
 # PostCSS Features Used
 
 - Autoprefixer - Don't worry about writing browser prefixes of any kind, it's all done automatically with support for the latest 2 major versions of every browser.
-- Variables - Simple pure CSS variables
-- [Color Function](https://github.com/postcss/postcss-color-function)
+- [Color Mod](https://github.com/jonathantneal/postcss-color-mod-function)
 
 
 # SVG Icons

assets/built/casper.js

@@ -1,2 +1,2 @@
-!function(o){"use strict";o.fn.fitVids=function(e){var t,i,n={customSelector:null,ignore:null};return document.getElementById("fit-vids-style")||(t=document.head||document.getElementsByTagName("head")[0],(i=document.createElement("div")).innerHTML='<p>x</p><style id="fit-vids-style">.fluid-width-video-container{flex-grow: 1;width:100%;}.fluid-width-video-wrapper{width:100%;position:relative;padding:0;}.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object,.fluid-width-video-wrapper embed {position:absolute;top:0;left:0;width:100%;height:100%;}</style>',t.appendChild(i.childNodes[1])),e&&o.extend(n,e),this.each(function(){var e=['iframe[src*="player.vimeo.com"]','iframe[src*="youtube.com"]','iframe[src*="youtube-nocookie.com"]','iframe[src*="kickstarter.com"][src*="video.html"]',"object","embed"];n.customSelector&&e.push(n.customSelector);var r=".fitvidsignore";n.ignore&&(r=r+", "+n.ignore);var t=o(this).find(e.join(","));(t=(t=t.not("object object")).not(r)).each(function(){var e,t,i=o(this);0<i.parents(r).length||"embed"===this.tagName.toLowerCase()&&i.parent("object").length||i.parent(".fluid-width-video-wrapper").length||(i.css("height")||i.css("width")||!isNaN(i.attr("height"))&&!isNaN(i.attr("width"))||(i.attr("height",9),i.attr("width",16)),e=("object"===this.tagName.toLowerCase()||i.attr("height")&&!isNaN(parseInt(i.attr("height"),10))?parseInt(i.attr("height"),10):i.height())/(isNaN(parseInt(i.attr("width"),10))?i.width():parseInt(i.attr("width"),10)),i.attr("name")||(t="fitvid"+o.fn.fitVids._count,i.attr("name",t),o.fn.fitVids._count++),i.wrap('<div class="fluid-width-video-container"><div class="fluid-width-video-wrapper"></div></div>').parent(".fluid-width-video-wrapper").css("padding-top",100*e+"%"),i.removeAttr("height").removeAttr("width"))})})},o.fn.fitVids._count=0}(window.jQuery||window.Zepto),function(e){e.addEventListener("DOMContentLoaded",function(){e.querySelectorAll(".kg-gallery-image img").forEach(function(e){var t=e.closest(".kg-gallery-image"),i=e.attributes.width.value/e.attributes.height.value;t.style.flex=i+" 1 0%"})})}((window,document)),function(t,i){var r,n,o,s,a,d,l,c=i.querySelector("link[rel=next]");function u(){if(404===this.status)return t.removeEventListener("scroll",f),void t.removeEventListener("resize",v);this.response.querySelectorAll(".post-card").forEach(function(e){r.appendChild(i.importNode(e,!0))});var e=this.response.querySelector("link[rel=next]");e?c.href=e.href:(t.removeEventListener("scroll",f),t.removeEventListener("resize",v)),l=i.documentElement.scrollHeight,s=o=!1}function e(){var e;s||(a+d<=l-n?o=!1:(s=!0,(e=new t.XMLHttpRequest).responseType="document",e.addEventListener("load",u),e.open("GET",c.href),e.send(null)))}function h(){o||t.requestAnimationFrame(e),o=!0}function f(){a=t.scrollY,h()}function v(){d=t.innerHeight,l=i.documentElement.scrollHeight,h()}!c||(r=i.querySelector(".post-feed"))&&(s=o=!(n=300),a=t.scrollY,d=t.innerHeight,l=i.documentElement.scrollHeight,t.addEventListener("scroll",f,{passive:!0}),t.addEventListener("resize",v),h())}(window,document),function(s,a){s.Casper||(s.Casper={}),s.Casper.stickyNavTitle=function(e){var t=a.querySelector(e.navSelector),i=a.querySelector(e.titleSelector),r=s.scrollY,n=!1;function o(){i.getBoundingClientRect().top+s.scrollY+(i.offsetHeight+35)<=r?t.classList.add(e.activeClass):t.classList.remove(e.activeClass),n=!1}s.addEventListener("scroll",function(){r=s.scrollY,function(){n||requestAnimationFrame(o);n=!0}()},{passive:!0}),o()}}(window,document);
+!function(o){"use strict";o.fn.fitVids=function(e){var t,i,n={customSelector:null,ignore:null};return document.getElementById("fit-vids-style")||(t=document.head||document.getElementsByTagName("head")[0],(i=document.createElement("div")).innerHTML='<p>x</p><style id="fit-vids-style">.fluid-width-video-container{flex-grow: 1;width:100%;}.fluid-width-video-wrapper{width:100%;position:relative;padding:0;}.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object,.fluid-width-video-wrapper embed {position:absolute;top:0;left:0;width:100%;height:100%;}</style>',t.appendChild(i.childNodes[1])),e&&o.extend(n,e),this.each(function(){var e=['iframe[src*="player.vimeo.com"]','iframe[src*="youtube.com"]','iframe[src*="youtube-nocookie.com"]','iframe[src*="kickstarter.com"][src*="video.html"]',"object","embed"];n.customSelector&&e.push(n.customSelector);var r=".fitvidsignore";n.ignore&&(r=r+", "+n.ignore);e=o(this).find(e.join(","));(e=(e=e.not("object object")).not(r)).each(function(){var e,t,i=o(this);0<i.parents(r).length||"embed"===this.tagName.toLowerCase()&&i.parent("object").length||i.parent(".fluid-width-video-wrapper").length||(i.css("height")||i.css("width")||!isNaN(i.attr("height"))&&!isNaN(i.attr("width"))||(i.attr("height",9),i.attr("width",16)),e=("object"===this.tagName.toLowerCase()||i.attr("height")&&!isNaN(parseInt(i.attr("height"),10))?parseInt(i.attr("height"),10):i.height())/(isNaN(parseInt(i.attr("width"),10))?i.width():parseInt(i.attr("width"),10)),i.attr("name")||(t="fitvid"+o.fn.fitVids._count,i.attr("name",t),o.fn.fitVids._count++),i.wrap('<div class="fluid-width-video-container"><div class="fluid-width-video-wrapper"></div></div>').parent(".fluid-width-video-wrapper").css("padding-top",100*e+"%"),i.removeAttr("height").removeAttr("width"))})})},o.fn.fitVids._count=0}(window.jQuery||window.Zepto),function(e){e.addEventListener("DOMContentLoaded",function(){e.querySelectorAll(".kg-gallery-image img").forEach(function(e){var t=e.closest(".kg-gallery-image"),e=e.attributes.width.value/e.attributes.height.value;t.style.flex=e+" 1 0%"})})}((window,document)),function(t,i){var r,n,o,s,a,d,l,c=i.querySelector("link[rel=next]");function u(){if(404===this.status)return t.removeEventListener("scroll",f),void t.removeEventListener("resize",v);this.response.querySelectorAll(".post-card").forEach(function(e){r.appendChild(i.importNode(e,!0))});var e=this.response.querySelector("link[rel=next]");e?c.href=e.href:(t.removeEventListener("scroll",f),t.removeEventListener("resize",v)),l=i.documentElement.scrollHeight,s=o=!1}function e(){var e;s||(a+d<=l-n?o=!1:(s=!0,(e=new t.XMLHttpRequest).responseType="document",e.addEventListener("load",u),e.open("GET",c.href),e.send(null)))}function h(){o||t.requestAnimationFrame(e),o=!0}function f(){a=t.scrollY,h()}function v(){d=t.innerHeight,l=i.documentElement.scrollHeight,h()}!c||(r=i.querySelector(".post-feed"))&&(s=o=!(n=300),a=t.scrollY,d=t.innerHeight,l=i.documentElement.scrollHeight,t.addEventListener("scroll",f,{passive:!0}),t.addEventListener("resize",v),h())}(window,document),function(s,a){s.Casper||(s.Casper={}),s.Casper.stickyNavTitle=function(e){var t=a.querySelector(e.navSelector),i=a.querySelector(e.titleSelector),r=s.scrollY,n=!1;function o(){i.getBoundingClientRect().top+s.scrollY+(i.offsetHeight+35)<=r?t.classList.add(e.activeClass):t.classList.remove(e.activeClass),n=!1}s.addEventListener("scroll",function(){r=s.scrollY,function(){n||requestAnimationFrame(o);n=!0}()},{passive:!0}),o()}}(window,document);
 //# sourceMappingURL=casper.js.map

assets/built/global.css

@@ -1,2 +1,2 @@
-a,abbr,acronym,address,applet,article,aside,audio,big,blockquote,body,canvas,caption,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,ul,var,video{margin:0;padding:0;border:0;font:inherit;font-size:100%;vertical-align:baseline}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:"";content:none}img{max-width:100%}html{box-sizing:border-box;font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}*,:after,:before{box-sizing:inherit}a{background-color:transparent}a:active,a:hover{outline:0}b,strong{font-weight:700}dfn,em,i{font-style:italic}h1{margin:.67em 0;font-size:2em}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{border:0}svg:not(:root){overflow:hidden}mark{background-color:#fdffb6}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}button,input,optgroup,select,textarea{margin:0;color:inherit;font:inherit}button{overflow:visible;border:none}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{cursor:pointer;-webkit-appearance:button}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}input{line-height:normal}input:focus{outline:none}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{box-sizing:content-box;-webkit-appearance:textfield}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}legend{padding:0;border:0}textarea{overflow:auto}table{border-spacing:0;border-collapse:collapse}td,th{padding:0}html{overflow-y:scroll;font-size:62.5%;-webkit-tap-highlight-color:rgba(0,0,0,0)}body,html{overflow-x:hidden}body{color:#313b3f;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:1.6rem;line-height:1.6em;font-weight:400;font-style:normal;letter-spacing:0;text-rendering:optimizeLegibility;background:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-moz-font-feature-settings:"liga" on}::-moz-selection{text-shadow:none;background:#cbeafb}::selection{text-shadow:none;background:#cbeafb}hr{position:relative;display:block;width:100%;margin:2.5em 0 3.5em;padding:0;height:1px;border:0;border-top:1px solid #e3e9ed}audio,canvas,iframe,img,svg,video{vertical-align:middle}fieldset{margin:0;padding:0;border:0}textarea{resize:vertical}blockquote,dl,ol,p,ul{margin:0 0 1.5em}ol,ul{padding-left:1.3em;padding-right:1.5em}ol ol,ol ul,ul ol,ul ul{margin:.5em 0 1em}ul{list-style:disc}ol{list-style:decimal}ol,ul{max-width:100%}li{margin:.5em 0;padding-left:.3em;line-height:1.6em}dt{float:left;margin:0 20px 0 0;width:120px;color:#15171a;font-weight:500;text-align:right}dd{margin:0 0 5px;text-align:left}blockquote{margin:1.5em 0;padding:0 1.6em;border-left:.5em solid #e5eff5}blockquote p{margin:.8em 0;font-size:1.2em;font-weight:300}blockquote small{display:inline-block;margin:.8em 0 .8em 1.5em;font-size:.9em;opacity:.8}blockquote small:before{content:"\2014 \00A0"}blockquote cite{font-weight:700}blockquote cite a{font-weight:400}a{color:#26a8ed;text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{margin-top:0;line-height:1.15;font-weight:600;text-rendering:optimizeLegibility}h1{margin:0 0 .5em;font-size:5.5rem;font-weight:600}@media (max-width:500px){h1{font-size:2.2rem}}h2{margin:1.5em 0 .5em;font-size:2.2rem}@media (max-width:500px){h2{font-size:1.8rem}}h3{margin:1.5em 0 .5em;font-size:1.8rem;font-weight:500}@media (max-width:500px){h3{font-size:1.7rem}}h4{margin:1.5em 0 .5em;font-size:1.6rem;font-weight:500}h5,h6{margin:1.5em 0 .5em;font-size:1.4rem;font-weight:500}
+:root{--blue:#3eb0ef;--green:#a4d037;--purple:#ad26b4;--yellow:#fecd35;--red:#f05230;--darkgrey:#15171a;--midgrey:#738a94;--lightgrey:#c5d2d9;--whitegrey:#e5eff5;--pink:#fa3a57;--brown:#a3821a;--darkmode:#1a1c20}a,abbr,acronym,address,applet,article,aside,audio,big,blockquote,body,canvas,caption,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,ul,var,video{margin:0;padding:0;border:0;font:inherit;font-size:100%;vertical-align:baseline}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:"";content:none}img{max-width:100%}html{box-sizing:border-box;font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}*,:after,:before{box-sizing:inherit}a{background-color:transparent}a:active,a:hover{outline:0}b,strong{font-weight:700}dfn,em,i{font-style:italic}h1{margin:.67em 0;font-size:2em}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{border:0}svg:not(:root){overflow:hidden}mark{background-color:#fdffb6}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}button,input,optgroup,select,textarea{margin:0;color:inherit;font:inherit}button{overflow:visible;border:none}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{cursor:pointer;-webkit-appearance:button}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}input{line-height:normal}input:focus{outline:none}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{box-sizing:content-box;-webkit-appearance:textfield}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}legend{padding:0;border:0}textarea{overflow:auto}table{border-spacing:0;border-collapse:collapse}td,th{padding:0}html{overflow-y:scroll;font-size:62.5%;-webkit-tap-highlight-color:rgba(0,0,0,0)}body,html{overflow-x:hidden}body{color:#303a3e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:1.6rem;line-height:1.6em;font-weight:400;font-style:normal;letter-spacing:0;text-rendering:optimizeLegibility;background:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-moz-font-feature-settings:"liga" on}::-moz-selection{text-shadow:none;background:#cbeafb}::selection{text-shadow:none;background:#cbeafb}hr{position:relative;display:block;width:100%;margin:2.5em 0 3.5em;padding:0;height:1px;border:0;border-top:1px solid #e4eaed}audio,canvas,iframe,img,svg,video{vertical-align:middle}fieldset{margin:0;padding:0;border:0}textarea{resize:vertical}blockquote,dl,ol,p,ul{margin:0 0 1.5em}ol,ul{padding-left:1.3em;padding-right:1.5em}ol ol,ol ul,ul ol,ul ul{margin:.5em 0 1em}ul{list-style:disc}ol{list-style:decimal}ol,ul{max-width:100%}li{margin:.5em 0;padding-left:.3em;line-height:1.6em}dt{float:left;margin:0 20px 0 0;width:120px;color:var(--darkgrey);font-weight:500;text-align:right}dd{margin:0 0 5px;text-align:left}blockquote{margin:1.5em 0;padding:0 1.6em;border-left:.5em solid var(--whitegrey)}blockquote p{margin:.8em 0;font-size:1.2em;font-weight:300}blockquote small{display:inline-block;margin:.8em 0 .8em 1.5em;font-size:.9em;opacity:.8}blockquote small:before{content:"\2014 \00A0"}blockquote cite{font-weight:700}blockquote cite a{font-weight:400}a{color:#26a6ed;text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{margin-top:0;line-height:1.15;font-weight:600;text-rendering:optimizeLegibility}h1{margin:0 0 .5em;font-size:5.5rem;font-weight:600}@media (max-width:500px){h1{font-size:2.2rem}}h2{margin:1.5em 0 .5em;font-size:2.2rem}@media (max-width:500px){h2{font-size:1.8rem}}h3{margin:1.5em 0 .5em;font-size:1.8rem;font-weight:500}@media (max-width:500px){h3{font-size:1.7rem}}h4{margin:1.5em 0 .5em;font-size:1.6rem;font-weight:500}h5,h6{margin:1.5em 0 .5em;font-size:1.4rem;font-weight:500}
 /*# sourceMappingURL=global.css.map */

assets/css/global.css

@@ -14,7 +14,7 @@
     --whitegrey: #e5eff5;
     --pink: #fa3a57;
     --brown: #a3821a;
-    --darkmode: color(var(--darkgrey) l(+2%));
+    --darkmode: color-mod(var(--darkgrey) l(+2%));
 }
 
 /* Reset
@@ -281,7 +281,7 @@ html {
 }
 body {
     overflow-x: hidden;
-    color: color(var(--midgrey) l(-30%));
+    color: color-mod(var(--midgrey) l(-30%));
     font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
     font-size: 1.6rem;
     line-height: 1.6em;
@@ -298,7 +298,7 @@ body {
 
 ::selection {
     text-shadow: none;
-    background: color(var(--blue) lightness(+30%));
+    background: color-mod(var(--blue) lightness(+30%));
 }
 
 hr {
@@ -309,7 +309,7 @@ hr {
     padding: 0;
     height: 1px;
     border: 0;
-    border-top: 1px solid color(var(--lightgrey) l(+10%));
+    border-top: 1px solid color-mod(var(--lightgrey) l(+10%));
 }
 
 audio,
@@ -416,7 +416,7 @@ blockquote cite a {
 }
 
 a {
-    color: color(var(--blue) l(-5%));
+    color: color-mod(var(--blue) l(-5%));
     text-decoration: none;
 }
 

assets/css/screen.css

@@ -114,7 +114,7 @@ body {
     margin-top: 64px;
     padding-bottom: 12px;
     color: #fff;
-    background: color(var(--darkgrey) l(-5%)) no-repeat center center;
+    background: color-mod(var(--darkgrey) l(-5%)) no-repeat center center;
     background-size: cover;
 }
 
@@ -236,7 +236,7 @@ body {
 
 .site-archive-header .no-image .site-header-content {
     padding: 5vw 0 10px;
-    border-bottom: 1px solid color(var(--lightgrey) l(+12%));
+    border-bottom: 1px solid color-mod(var(--lightgrey) l(+12%));
 }
 
 
@@ -283,7 +283,7 @@ body {
     right: 0;
     left: 0;
     z-index: 1000;
-    background: color(var(--darkgrey) l(-5%));
+    background: color-mod(var(--darkgrey) l(-5%));
 }
 
 .site-nav {
@@ -316,7 +316,7 @@ body {
 .site-header-background:not(.responsive-header-img) .site-nav-left-wrapper:after,
 .site-nav-main .site-nav-left-wrapper:after {
     right: 0;
-    background: linear-gradient(to right, color(var(--darkgrey) l(-5%) a(0)) 0%,color(var(--darkgrey) l(-5%)) 100%);
+    background: linear-gradient(to right, color-mod(var(--darkgrey) l(-5%) a(0)) 0%,color-mod(var(--darkgrey) l(-5%)) 100%);
 }
 
 .site-nav-left {
@@ -624,7 +624,7 @@ The knock-on effect of this is ugly browser-scroll bars at the bottom, so 80px o
     margin: 0 0 40px;
     padding: 0 20px 40px;
     min-height: 220px;
-    border-bottom: 1px solid color(var(--lightgrey) l(+12%));
+    border-bottom: 1px solid color-mod(var(--lightgrey) l(+12%));
     background-size: cover;
 }
 
@@ -711,7 +711,7 @@ The knock-on effect of this is ugly browser-scroll bars at the bottom, so 80px o
     display: block;
     width: 100%;
     height: 100%;
-    background: color(var(--lightgrey) l(+10%));
+    background: color-mod(var(--lightgrey) l(+10%));
     border-radius: 100%;
 
     object-fit: cover;
@@ -782,7 +782,7 @@ The knock-on effect of this is ugly browser-scroll bars at the bottom, so 80px o
     display: flex;
     flex-direction: column;
     margin: 2px 0 0 6px;
-    color: color(var(--midgrey) l(+10%));
+    color: color-mod(var(--midgrey) l(+10%));
     font-size: 1.2rem;
     line-height: 1.4em;
     font-weight: 400;
@@ -795,7 +795,7 @@ The knock-on effect of this is ugly browser-scroll bars at the bottom, so 80px o
 }
 
 .post-card-byline-content a {
-    color: color(var(--darkgrey) l(+20%));
+    color: color-mod(var(--darkgrey) l(+20%));
     font-weight: 600;
 }
 
@@ -813,7 +813,7 @@ The knock-on effect of this is ugly browser-scroll bars at the bottom, so 80px o
     display: flex;
     flex-direction: column;
     margin-left: 5px;
-    color: color(var(--midgrey) l(-10%));
+    color: color-mod(var(--midgrey) l(-10%));
     font-size: 1.3rem;
     line-height: 1.4em;
     font-weight: 500;
@@ -850,7 +850,7 @@ make sure this only happens on large viewports / desktop-ish devices.
     }
 
     .post-card-large:hover {
-        border-bottom-color: color(var(--lightgrey) l(+10%));
+        border-bottom-color: color-mod(var(--lightgrey) l(+10%));
     }
 
     .post-card-large:not(.no-image) .post-card-header {
@@ -980,7 +980,7 @@ make sure this only happens on large viewports / desktop-ish devices.
 
 .post-full-title {
     margin: 0 0 0.2em;
-    color: color(var(--darkgrey) l(-5%));
+    color: color-mod(var(--darkgrey) l(-5%));
 }
 
 .post-full-custom-excerpt {
@@ -1004,7 +1004,7 @@ make sure this only happens on large viewports / desktop-ish devices.
     align-items: center;
     overflow: hidden;
     margin: 25px 0 50px;
-    background: color(var(--lightgrey) l(+10%));
+    background: color-mod(var(--lightgrey) l(+10%));
     border-radius: 3px;
 }
 
@@ -1104,7 +1104,7 @@ make sure this only happens on large viewports / desktop-ish devices.
 
 .post-full-content strong,
 .post-full-content em {
-    color: color(var(--darkgrey) l(-5%));
+    color: color-mod(var(--darkgrey) l(-5%));
 }
 
 .post-full-content small {
@@ -1169,7 +1169,7 @@ Usage (In Ghost editor):
 .post-full-content blockquote {
     margin: 0 0 1.5em;
     padding: 0 1.5em;
-    border-left: color(var(--blue)) 3px solid;
+    border-left: color-mod(var(--blue)) 3px solid;
 }
 @media (max-width: 500px) {
     .post-full-content blockquote {
@@ -1207,16 +1207,16 @@ Usage (In Ghost editor):
     margin: 1.5em 0 3em;
     padding: 20px;
     max-width: 100%;
-    border: color(var(--darkgrey) l(-10%)) 1px solid;
+    border: color-mod(var(--darkgrey) l(-10%)) 1px solid;
     color: var(--whitegrey);
     font-size: 1.4rem;
     line-height: 1.5em;
-    background: color(var(--darkgrey) l(-3%));
+    background: color-mod(var(--darkgrey) l(-3%));
     border-radius: 5px;
 }
 
 .post-full-content pre ::selection {
-    color: color(var(--midgrey) l(-25%));
+    color: color-mod(var(--midgrey) l(-25%));
 }
 
 .post-full-content pre code {
@@ -1247,7 +1247,7 @@ Usage (In Ghost editor):
     margin-left: -10px;
     width: 1px;
     height: 30px;
-    background: color(var(--lightgrey) l(+10%));
+    background: color-mod(var(--lightgrey) l(+10%));
     box-shadow: #fff 0 0 0 5px;
     transform: rotate(45deg);
 }
@@ -1262,7 +1262,7 @@ Usage (In Ghost editor):
 .post-full-content h4,
 .post-full-content h5,
 .post-full-content h6 {
-    color: color(var(--darkgrey) l(-5%));
+    color: color-mod(var(--darkgrey) l(-5%));
     font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
 }
 
@@ -1482,13 +1482,13 @@ Usage (In Ghost editor):
     letter-spacing: 0.2px;
     text-align: left;
     text-transform: uppercase;
-    background-color: color(var(--whitegrey) l(+4%));
+    background-color: color-mod(var(--whitegrey) l(+4%));
 }
 
 .post-full-content table th,
 .post-full-content table td {
     padding: 6px 12px;
-    border: color(var(--whitegrey) l(-1%) s(-5%)) 1px solid;
+    border: color-mod(var(--whitegrey) l(-1%) s(-5%)) 1px solid;
 }
 
 
@@ -1500,7 +1500,7 @@ Usage (In Ghost editor):
     justify-content: space-between;
     margin: 35px 0 0;
     padding-top: 15px;
-    border-top: 1px solid color(var(--lightgrey) l(+10%));
+    border-top: 1px solid color-mod(var(--lightgrey) l(+10%));
 }
 
 .post-full-byline-content {
@@ -1516,7 +1516,7 @@ Usage (In Ghost editor):
 
 .post-full-byline-meta {
     margin: 2px 0 0;
-    color: color(var(--midgrey) l(+10%));
+    color: color-mod(var(--midgrey) l(+10%));
     font-size: 1.2rem;
     line-height: 1.2em;
     letter-spacing: 0.2px;
@@ -1531,7 +1531,7 @@ Usage (In Ghost editor):
 }
 
 .post-full-byline-meta h4 a {
-    color: color(var(--darkgrey) l(+10%));
+    color: color-mod(var(--darkgrey) l(+10%));
 }
 
 .post-full-byline-meta h4 a:hover {
@@ -1611,7 +1611,7 @@ Usage (In Ghost editor):
 
 .author-card .author-info p {
     margin: 4px 0 0;
-    color: color(var(--midgrey) l(-10%));
+    color: color-mod(var(--midgrey) l(-10%));
 }
 
 .author-card .author-info .bio h2 {
@@ -1689,9 +1689,9 @@ Usage (In Ghost editor):
 .subscribe-form {
     margin: 1.5em 0;
     padding: 6.5vw 7vw 8vw;
-    border: color(var(--lightgrey) l(+10%)) 1px solid;
+    border: color-mod(var(--lightgrey) l(+10%)) 1px solid;
     text-align: center;
-    background: linear-gradient(color(var(--whitegrey) l(+6%)), color(var(--whitegrey) l(+4%)));
+    background: linear-gradient(color-mod(var(--whitegrey) l(+6%)), color-mod(var(--whitegrey) l(+4%)));
     border-radius: 3px;
 }
 
@@ -1729,7 +1729,7 @@ Usage (In Ghost editor):
     display: block;
     padding: 10px;
     width: 100%;
-    border: color(var(--lightgrey) l(+7%)) 1px solid;
+    border: color-mod(var(--lightgrey) l(+7%)) 1px solid;
     color: var(--midgrey);
     font-size: 1.8rem;
     line-height: 1em;
@@ -1743,7 +1743,7 @@ Usage (In Ghost editor):
 
 .subscribe-email:focus {
     outline: 0;
-    border-color: color(var(--lightgrey) l(-2%));
+    border-color: color-mod(var(--lightgrey) l(-2%));
 }
 
 .subscribe-form button {
@@ -1759,10 +1759,10 @@ Usage (In Ghost editor):
     font-weight: 400;
     text-align: center;
     background: linear-gradient(
-    color(var(--blue) whiteness(+7%)),
-    color(var(--blue) lightness(-7%) saturation(-10%)) 60%,
-    color(var(--blue) lightness(-7%) saturation(-10%)) 90%,
-    color(var(--blue) lightness(-4%) saturation(-10%))
+    color-mod(var(--blue) whiteness(+7%)),
+    color-mod(var(--blue) lightness(-7%) saturation(-10%)) 60%,
+    color-mod(var(--blue) lightness(-7%) saturation(-10%)) 90%,
+    color-mod(var(--blue) lightness(-4%) saturation(-10%))
     );
     border-radius: 5px;
 
@@ -1771,7 +1771,7 @@ Usage (In Ghost editor):
 
 .subscribe-form button:active,
 .subscribe-form button:focus {
-    background: color(var(--blue) lightness(-9%) saturation(-10%));
+    background: color-mod(var(--blue) lightness(-9%) saturation(-10%));
 }
 
 .subscribe-form .button-loader,
@@ -1811,7 +1811,7 @@ Usage (In Ghost editor):
 
 .subscribe-form .success .message-success {
     display: block;
-    color: color(var(--green) l(-5%));
+    color: color-mod(var(--green) l(-5%));
 }
 
 .subscribe-form .invalid .message-error,
@@ -1861,7 +1861,7 @@ Usage (In Ghost editor):
 
 .read-next {
     border-bottom: 1px solid rgba(255, 255, 255, 0.1);
-    background: color(var(--darkgrey) l(-5%));
+    background: color-mod(var(--darkgrey) l(-5%));
 }
 
 .read-next-feed {
@@ -1919,7 +1919,7 @@ Usage (In Ghost editor):
     overflow: hidden;
     margin: 0 25px 50px;
     padding: 25px;
-    background: linear-gradient(color(var(--darkgrey) l(+2%)), color(var(--darkgrey) l(-5%)));
+    background: linear-gradient(color-mod(var(--darkgrey) l(+2%)), color-mod(var(--darkgrey) l(-5%)));
     border-radius: 3px;
 }
 
@@ -2108,7 +2108,7 @@ Usage (In Ghost editor):
 
 .post-full-content figcaption {
     margin: 1.0em auto 0;
-    color: color(var(--midgrey) l(-10%));
+    color: color-mod(var(--midgrey) l(-10%));
     font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
     font-size: 75%;
     line-height: 1.5em;
@@ -2216,7 +2216,7 @@ Usage (In Ghost editor):
 }
 
 .kg-bookmark-title {
-    color: color(var(--midgrey) l(-30%));
+    color: color-mod(var(--midgrey) l(-30%));
     font-size: 1.6rem;
     line-height: 1.5em;
     font-weight: 600;
@@ -2232,7 +2232,7 @@ Usage (In Ghost editor):
     overflow-y: hidden;
     margin-top: 12px;
     max-height: 48px;
-    color: color(var(--midgrey) l(-10%));
+    color: color-mod(var(--midgrey) l(-10%));
     font-size: 1.5rem;
     line-height: 1.5em;
     font-weight: 400;
@@ -2263,7 +2263,7 @@ Usage (In Ghost editor):
     flex-wrap: wrap;
     align-items: center;
     margin-top: 14px;
-    color: color(var(--midgrey) l(-10%));
+    color: color-mod(var(--midgrey) l(-10%));
     font-size: 1.5rem;
     font-weight: 400;
 }
@@ -2521,7 +2521,7 @@ Usage (In Ghost editor):
 
 .error-message {
     padding-bottom: 10vw;
-    border-bottom: 1px solid color(var(--lightgrey) l(+10%));
+    border-bottom: 1px solid color-mod(var(--lightgrey) l(+10%));
     text-align: center;
 }
 
@@ -2584,7 +2584,7 @@ Usage (In Ghost editor):
 /* 10. Subscribe Message and Overlay
 /* ---------------------------------------------------------- */
 
-.subscribe-success-message {
+.subscribe-notification {
     position: fixed;
     top: 0;
     right: 0;
@@ -2598,17 +2598,41 @@ Usage (In Ghost editor):
     transform: translateY(-175%);
 }
 
+.subscribe-notification.subscribe-failure-message {
+    background: var(--red);
+}
+
 .subscribe-success .subscribe-success-message {
     visibility: visible;
     transform: translateY(0);
 }
 
-.subscribe-success-message.close {
+.subscribe-failure .subscribe-failure-message {
+    visibility: visible;
+    transform: translateY(0);
+}
+
+.subscribe-notification.close {
     visibility: hidden;
     transition: all 1.35s cubic-bezier(0.19, 1, 0.22, 1);
     transform: translateY(-175%);
 }
 
+.subscribe-notification .subscribe-close-button {
+    left: 0;
+    top: 0;
+    width: 100%;
+    height: 100%;
+}
+
+.subscribe-notification .subscribe-close-button:before,
+.subscribe-notification .subscribe-close-button:after {
+    top: 31px;
+    right: 20px;
+    width: 18px;
+    height: 2px;
+}
+
 .subscribe-close-overlay {
     position: absolute;
     top: 0;
@@ -2751,7 +2775,7 @@ Usage (In Ghost editor):
 
 .subscribe-email:focus {
     outline: 0;
-    border-color: color(var(--lightgrey) l(-2%));
+    border-color: color-mod(var(--lightgrey) l(-2%));
 }
 
 .subscribe-overlay button {
@@ -2766,10 +2790,10 @@ Usage (In Ghost editor):
     font-weight: 400;
     text-align: center;
     background: linear-gradient(
-    color(var(--blue) whiteness(+7%)),
-    color(var(--blue) lightness(-7%) saturation(-10%)) 60%,
-    color(var(--blue) lightness(-7%) saturation(-10%)) 90%,
-    color(var(--blue) lightness(-4%) saturation(-10%))
+    color-mod(var(--blue) whiteness(+7%)),
+    color-mod(var(--blue) lightness(-7%) saturation(-10%)) 60%,
+    color-mod(var(--blue) lightness(-7%) saturation(-10%)) 90%,
+    color-mod(var(--blue) lightness(-4%) saturation(-10%))
     );
     border-radius: 8px;
 
@@ -2778,7 +2802,7 @@ Usage (In Ghost editor):
 
 .subscribe-overlay button:active,
 .subscribe-overlay button:focus {
-    background: color(var(--blue) lightness(-9%) saturation(-10%));
+    background: color-mod(var(--blue) lightness(-9%) saturation(-10%));
 }
 
 .subscribe-overlay .loading .button-loader {
@@ -2800,7 +2824,7 @@ Usage (In Ghost editor):
     padding-top: 20px;
     padding-bottom: 60px;
     color: #fff;
-    background: color(var(--darkgrey) l(-5%));
+    background: color-mod(var(--darkgrey) l(-5%));
 }
 
 .site-footer-content {
@@ -2879,7 +2903,7 @@ Usage (In Ghost editor):
 
     .post-card,
     .post-card:hover {
-        border-bottom-color: color(var(--darkmode) l(+8%));
+        border-bottom-color: color-mod(var(--darkmode) l(+8%));
     }
 
     .author-profile-image {
@@ -2903,12 +2927,12 @@ Usage (In Ghost editor):
     }
 
     .post-card-excerpt {
-        color: color(var(--midgrey) l(+10%));
+        color: color-mod(var(--midgrey) l(+10%));
     }
 
     .author-avatar,
     .static-avatar {
-        border-color: color(var(--darkgrey) l(+2%));
+        border-color: color-mod(var(--darkgrey) l(+2%));
     }
 
     .site-main,
@@ -2926,15 +2950,15 @@ Usage (In Ghost editor):
     }
 
     .post-full-custom-excerpt {
-        color: color(var(--midgrey) l(+10%));
+        color: color-mod(var(--midgrey) l(+10%));
     }
 
     .post-full-image {
-        background-color: color(var(--darkmode) l(+8%));
+        background-color: color-mod(var(--darkmode) l(+8%));
     }
 
     .post-full-byline {
-        border-top-color: color(var(--darkmode) l(+15%));
+        border-top-color: color-mod(var(--darkmode) l(+15%));
     }
 
     .post-full-byline-meta h4 a {
@@ -2946,12 +2970,12 @@ Usage (In Ghost editor):
     }
 
     .author-list-item .author-card {
-        background: color(var(--darkmode) l(+4%));
+        background: color-mod(var(--darkmode) l(+4%));
         box-shadow: 0 12px 26px rgba(0,0,0,0.4);
     }
 
     .author-list-item .author-card:before {
-        border-top-color: color(var(--darkmode) l(+4%));
+        border-top-color: color-mod(var(--darkmode) l(+4%));
     }
 
     .no-image .author-social-link a {
@@ -2985,7 +3009,12 @@ Usage (In Ghost editor):
     }
 
     hr {
-        border-top-color: color(var(--darkmode) l(+8%));
+        border-top-color: color-mod(var(--darkmode) l(+8%));
+    }
+
+    .post-full-content hr:after {
+        background: color-mod(var(--darkmode) l(+8%));
+        box-shadow: var(--darkmode) 0 0 0 5px;
     }
 
     .post-full-content figcaption {
@@ -2993,21 +3022,21 @@ Usage (In Ghost editor):
     }
 
     .post-full-content table td:first-child {
-        background-image: linear-gradient(to right, var(--darkmode) 50%, color(var(--darkmode) a(0%)) 100%);
+        background-image: linear-gradient(to right, var(--darkmode) 50%, color-mod(var(--darkmode) a(0%)) 100%);
     }
 
     .post-full-content table td:last-child {
-        background-image: linear-gradient(to left, var(--darkmode) 50%, color(var(--darkmode) a(0%)) 100%);
+        background-image: linear-gradient(to left, var(--darkmode) 50%, color-mod(var(--darkmode) a(0%)) 100%);
     }
 
     .post-full-content table th {
         color: rgba(255, 255, 255, 0.85);
-        background-color: color(var(--darkmode) l(+8%));
+        background-color: color-mod(var(--darkmode) l(+8%));
     }
 
     .post-full-content table th,
     .post-full-content table td {
-        border: color(var(--darkmode) l(+8%)) 1px solid;
+        border: color-mod(var(--darkmode) l(+8%)) 1px solid;
     }
 
     .post-full-content .kg-bookmark-container,
@@ -3016,6 +3045,10 @@ Usage (In Ghost editor):
         box-shadow: 0 0 1px rgba(255,255,255,0.9);
     }
 
+    .post-full-content input {
+        color: color-mod(var(--midgrey) l(-30%));
+    }
+
     .kg-bookmark-title {
         color: #fff;
     }
@@ -3034,7 +3067,7 @@ Usage (In Ghost editor):
     }
 
     .site-archive-header .no-image .site-header-content {
-        border-bottom-color: color(var(--darkmode) l(+15%));
+        border-bottom-color: color-mod(var(--darkmode) l(+15%));
     }
 
     .site-header-content .author-profile-image {
@@ -3043,7 +3076,7 @@ Usage (In Ghost editor):
 
     .subscribe-form {
         border: none;
-        background: linear-gradient(color(var(--darkmode) l(-6%)), color(var(--darkmode) l(-3%)));
+        background: linear-gradient(color-mod(var(--darkmode) l(-6%)), color-mod(var(--darkmode) l(-3%)));
     }
 
     .subscribe-form-title {
@@ -3055,13 +3088,13 @@ Usage (In Ghost editor):
     }
 
     .subscribe-email {
-        border-color: color(var(--darkmode) l(+6%));
+        border-color: color-mod(var(--darkmode) l(+6%));
         color: rgba(255, 255, 255, 0.9);
-        background: color(var(--darkmode) l(+3%));
+        background: color-mod(var(--darkmode) l(+3%));
     }
 
     .subscribe-email:focus {
-        border-color: color(var(--darkmode) l(+25%));
+        border-color: color-mod(var(--darkmode) l(+25%));
     }
 
     .subscribe-form button {
@@ -3070,10 +3103,10 @@ Usage (In Ghost editor):
 
     .subscribe-form .invalid .message-error,
     .subscribe-form .error .message-error {
-        color: color(var(--red) l(+5%) s(-5%));
+        color: color-mod(var(--red) l(+5%) s(-5%));
     }
 
     .subscribe-form .success .message-success {
-        color: color(var(--green) l(+5%) s(-5%));
+        color: color-mod(var(--green) l(+5%) s(-5%));
     }
 }

default.hbs

@@ -42,10 +42,14 @@
 
     {{!-- The big email subscribe modal content --}}
     {{#if @labs.members}}
-    <div class="subscribe-success-message">
-        <a class="subscribe-close" href="javascript:;"></a>
+    <div class="subscribe-notification subscribe-success-message">
+        <a class="subscribe-close-button" href="javascript:;"></a>
         You've successfully subscribed to {{@site.title}}!
     </div>
+    <div class="subscribe-notification subscribe-failure-message">
+        <a class="subscribe-close-button" href="javascript:;"></a>
+        Could not sign up! Invalid sign up link.
+    </div>
 
     <div id="subscribe" class="subscribe-overlay">
         <a class="subscribe-close-overlay" href="#"></a>
@@ -102,14 +106,19 @@
 
         // Give the parameter a variable name
         var action = getParameterByName('action');
+        var success = getParameterByName('success');
 
         $(document).ready(function () {
-            if (action == 'subscribe') {
-                $('body').addClass("subscribe-success");
+            if (action == 'subscribe' && (success === null || success === 'true')) {
+                $('body').addClass('subscribe-success');
             }
 
-            $('.subscribe-success-message .subscribe-close').click(function () {
-                $('.subscribe-success-message').addClass('close');
+            if (action == 'subscribe' && success === 'false') {
+                $('body').addClass('subscribe-failure');
+            }
+
+            $('.subscribe-notification .subscribe-close-button').click(function () {
+                $('.subscribe-notification').addClass('close');
             });
 
             // Reset form on opening subscrion overlay

gulpfile.js

@@ -15,9 +15,8 @@ const fs = require('fs');
 
 // postcss plugins
 const autoprefixer = require('autoprefixer');
-const colorFunction = require('postcss-color-function');
+const colorFunction = require('postcss-color-mod-function');
 const cssnano = require('cssnano');
-const customProperties = require('postcss-custom-properties');
 const easyimport = require('postcss-easy-import');
 
 const REPO = 'TryGhost/Casper';
@@ -50,7 +49,6 @@ function css(done) {
         src('assets/css/*.css', {sourcemaps: true}),
         postcss([
             easyimport,
-            customProperties({preserve: false}),
             colorFunction(),
             autoprefixer(),
             cssnano()

package.json

@@ -2,7 +2,7 @@
     "name": "casper",
     "description": "A clean, minimal default theme for the Ghost publishing platform",
     "demo": "https://demo.ghost.io",
-    "version": "3.0.13",
+    "version": "3.1.1",
     "engines": {
         "ghost": ">=3.0.0",
         "ghost-api": "v3"
@@ -46,20 +46,20 @@
     "bugs": "https://github.com/TryGhost/Casper/issues",
     "contributors": "https://github.com/TryGhost/Casper/graphs/contributors",
     "devDependencies": {
-        "@tryghost/release-utils": "0.6.3",
-        "autoprefixer": "9.8.5",
+        "@tryghost/release-utils": "0.6.7",
+        "autoprefixer": "10.0.1",
         "beeper": "2.0.0",
         "cssnano": "4.1.10",
-        "gscan": "3.5.4",
+        "gscan": "3.5.7",
         "gulp": "4.0.2",
         "gulp-concat": "2.6.1",
         "gulp-livereload": "4.0.2",
-        "gulp-postcss": "8.0.0",
+        "gulp-postcss": "9.0.0",
         "gulp-uglify": "3.0.2",
         "gulp-zip": "5.0.2",
-        "inquirer": "7.3.2",
-        "postcss-color-function": "4.1.0",
-        "postcss-custom-properties": "9.1.1",
+        "inquirer": "7.3.3",
+        "postcss": "8.1.1",
+        "postcss-color-mod-function": "3.0.3",
         "postcss-easy-import": "3.0.0",
         "pump": "3.0.0"
     },