Upgrading Casper to 1.3.1

Fix invalid css property declaration

assets/css/screen.css

@@ -10,14 +10,15 @@
     3.  Utilities
     4.  General
     5.  Single Post
-    6.  Tag Archive
+    6.  Author Profile
-    7.  Read Next
+    7.  Read More
     8.  Third Party Elements
     9.  Pagination
-    10.  Footer
+    10. Subscribe
-    11. Media Queries (Tablet)
+    11. Footer
-    12. Media Queries (Mobile)
+    12. Media Queries (Tablet)
-    13. Animations
+    13. Media Queries (Mobile)
+    14. Animations
 
 */
 
@@ -501,8 +502,8 @@ button {
     text-decoration: none;
     color: #fff;
     font-family: 'Open Sans', sans-serif;
-    font-size: 11px; // Hack because Firefox sucks ass.
+    font-size: 11px; /* Hacks targeting Firefox. */
-    line-height: 13px; // Hack because Firefox sucks ass.
+    line-height: 13px; /* Hacks targeting Firefox. */
     font-weight: 300;
     text-align: center;
     letter-spacing: 1px;
@@ -1885,7 +1886,7 @@ body:not(.post-template) .post-title {
 
 
 /* ==========================================================================
-   12. Media Queries - Smaller than 500px
+   13. Media Queries - Smaller than 500px
    ========================================================================== */
 
 @media only screen and (max-width: 500px) {
@@ -2160,7 +2161,7 @@ body:not(.post-template) .post-title {
 
 
 /* ==========================================================================
-   13. Animations
+   14. Animations
    ========================================================================== */
 
 /* Used to fade in title/desc on the home page */

package.json

@@ -1,4 +1,4 @@
 {
   "name": "Casper",
-  "version": "1.3.0"
+  "version": "1.3.1"
 }