Update hiding code to match WebAIM

@accessiblewebuk pointed out that WebAIM have a recommended set of CSS for hiding offscreen: http://webaim.org/techniques/css/invisiblecontent/#absolutepositioning . This updates the class to match their height:1px / width:1px / top:auto recommendation.
alphagov · May 3, 2016 · 012a7ff · 012a7ff
1 parent f5d5198
commit 012a7ff
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/source/assets/stylesheets/_accessibility.scss b/source/assets/stylesheets/_accessibility.scss
@@ -25,7 +25,9 @@
 .visuallyhidden {
   position: absolute;
   left: -9999em;
-  height: 0;
+  top: auto;
+  width: 1px;
+  height: 1px;
   overflow: hidden;
 
   /*