Remove IOS7 css hack.

src/sass/main/vegas.sass

@@ -61,7 +61,7 @@ body.vegas-container > .vegas-slide
     z-index: -1
 
 /* Target Safari IOS7+ in order to add 76px */
-_::full-page-media, _:future,
-:root body.vegas-container > .vegas-slide,
-:root body.vegas-container > .vegas-overlay
-    bottom: -76px
+// _::full-page-media, _:future,
+// :root body.vegas-container > .vegas-slide,
+// :root body.vegas-container > .vegas-overlay
+//     bottom: -76px