MediaWiki:SearchEnhancements.css

.searchjs-hide { display: none; }

width: 100%; box-sizing: border-box; font-size: 20px; font-family: inherit; padding: 0.25em 0.5em; border: 1px solid #ccc; border-radius: 2px; outline: none; margin-bottom: 0.5em; display: block; }
 * 1) SearchJS {

.remove-clutter > :not(input):not(dl) { display: none; }

.remove-clutter > dl { margin: 0; }