chrome/browser/resources/options/search_engine_manager.css

#searchEngineList {
  -webkit-border-radius: 2px;
  border-bottom: 1px solid #d9d9d9;
  height: auto;
}

#searchEngineManagerPage .left-side-table {
  margin-top: 12px;
}

#searchEngineList .heading {
  -webkit-border-radius: 2px;
  color: black;
  border-bottom: 1px solid #d9d9d9;
}

#searchEngineList .heading:not(:nth-child(2)) {
  border-top: 1px solid #d9d9d9;
}

#searchEngineList .heading .name {
  font-weight: bold;
}

#searchEngineList > div:not(.heading) {
  border-left: 1px solid #d9d9d9;
  border-right: 1px solid #d9d9d9;
}

#searchEngineList > div, #searchEngineHeading {
  display: -webkit-box;
}

#searchEngineList .name {
  box-sizing: border-box;
  width: 50%;
}

#searchEngineList .keyword {
  -webkit-box-flex: 1;
}

#searchEngineList > div:not(.heading) .keyword {
  color: #666666;
}

#searchEngineList .default {
  font-weight: bold;
}

#searchEngineList .name, #searchEngineList .keyword {
  overflow: hidden;
  text-overflow: ellipsis;
}