Add the ability to read a local file as base64

src/scss/main.scss

@@ -84,6 +84,7 @@ $color-link:               #0000FF;
 $color-link-subtle:        #545A99;
 $color-text:               #000000;
 $color-text-light:         #FFFFFF;
+$color-white:              #FFFFFF;
 
 // Z-Index Layers //////////////////////////////////////////////////////////////////////////////////
 

src/scss/tags.scss

@@ -18,10 +18,16 @@ button {
     cursor: pointer;
     font-size: $font-size-normal;
     font-weight: bold;
+    outline: none;
     padding: 0.1em 1em;
 
+    &:active {
+        background: $color-active;
+        color: $color-white;
+    }
+
     &:hover {
-        background: white;
+        background: $color-white;
         color: $color-active-hover;
     }
 

src/scss/templates/markdown_image.scss

@@ -39,4 +39,10 @@ All rights reserved.
     button {
         position: absolute; left: 7.33em; bottom: 0.66em;
     }
+
+    input {
+        position: absolute;
+        visibility: none;
+        z-index: -1;
+    }
 }