cdn-experiments/ccp/js/codemirror-5.65.2/addon/search/matchesonscrollbar.css

.CodeMirror-search-match {
  background: gold;
  border-top: 1px solid orange;
  border-bottom: 1px solid orange;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  opacity: .5;
}