Fix issue for ios mobile devices when code editor is hidden on them
Fix issue for ios mobile devices when code editor is hidden on them

Some very strange class was applied to code editor when opening on ios
mobile devices. This class was ment to hide code editor for some unclear
reasons in a very ugly way. This commit overwrites this styles to let
users with ios mobile devices see code snippet.

xsnippet/xsnippet-web,xsnippet/xsnippet-web