Remove vendor prefixes

css/site.scss

@@ -367,9 +367,6 @@ body {
     border-bottom: dotted 1px #E64C3C; //note: use of :after code below unfortuenatly doesn't work with line breaks... using fall-back
     position: relative;
     text-decoration: none;
-    -moz-transition: border-bottom-color 0.2s ease-in-out;
-    -ms-transition: border-bottom-color 0.2s ease-in-out;
-    -webkit-transition: border-bottom-color 0.2s ease-in-out;
     transition: border-bottom-color 0.2s ease-in-out;
   }
 
@@ -383,9 +380,6 @@ body {
     border-bottom: dotted 1px transparent;
     position: relative;
     text-decoration: none;
-    -moz-transition: border-bottom-color 0.2s ease-in-out;
-    -ms-transition: border-bottom-color 0.2s ease-in-out;
-    -webkit-transition: border-bottom-color 0.2s ease-in-out;
     transition: border-bottom-color 0.2s ease-in-out;
   }
 
@@ -739,21 +733,14 @@ a.post-list-link {
 
 
 @mixin desaturation($percentage) {
-  -webkit-filter: grayscale($percentage);
-  -moz-filter: grayscale($percentage);
   filter: grayscale($percentage);
 }
 
 @mixin border-radius($radius) {
-  -webkit-border-radius: $radius;
-  -moz-border-radius: $radius;
-  -ms-border-radius: $radius;
   border-radius: $radius;
 }
 
 @mixin box-shadow($top, $left, $blur, $color, $inset: '') {
-  -webkit-box-shadow: $top $left $blur $color #{$inset};
-  -moz-box-shadow: $top $left $blur $color #{$inset};
   box-shadow: $top $left $blur $color #{$inset};
 }