MediaWiki:Gadget-charinsert-styles.css

div#editpage-specialchars { display: block; border: 1px solid #c0c0c0; padding: .5em 1em; }

background-color: #f9f9f9; border: 1px solid #ddd; padding: 1px 4px; }
 * 1) editpage-specialchars a {

textarea#wpTextbox1 + #editpage-specialchars, .wikiEditor-ui-clear + #editpage-specialchars { border-top: 0; }