3D perspective fix

Removed glitches on window resize.

Author: iDreadful

style.css

@@ -4,6 +4,13 @@
   padding: 0;
 }
 
+body {
+  -webkit-perspective: 500px;
+     -moz-perspective: 500px;
+       -o-perspective: 500px;
+          perspective: 500px;
+}
+
 html, body {
   width: 100%;
   height: 100%;
@@ -30,11 +37,6 @@ footer {
 }
 
 & .section3d {
-  -webkit-perspective: 500px;
-     -moz-perspective: 500px;
-       -o-perspective: 500px;
-          perspective: 500px;
-
   position: absolute;
   top: 50%;
   left: 50%;