Themes: Switch to a text overlay instead of an icon on hover. Numerous reasons outlined in the ticket.

props shaunandrews.
fixes #26440.


git-svn-id: https://develop.svn.wordpress.org/trunk@26708 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/themes.php

@@ -220,6 +220,7 @@ if ( ! is_multisite() && current_user_can('edit_themes') && $broken_themes = wp_
 	<# } else { #>
 		<div class="theme-screenshot blank"></div>
 	<# } #>
+	<span class="more-details"><?php _e( 'Theme Details' ); ?></span>
 	<div class="theme-author"><?php printf( __( 'By %s' ), '{{{ data.author }}}' ); ?></div>
 	
 	<# if ( data.active ) { #>