Extension:TopicTags/CSS-Common.css

YOUR-WIKI-URL/MediaWiki:Common.css
 * 1) Browse to

/* TOPIC-TAGS CSS */ .tag-label:hover > .tag-region:not(:hover) { background-color:#ffe999; /* to make background fill full line-height. May fail with certain font-sizes or fonts */ padding-top:.3em; padding-bottom:.3em; }
 * 1) Paste the following into the bottom of the page

.tag-label { width: 2em; min-width: 2em; max-width: 2em; } /* END TOPIC-TAGS CSS */