Searx/searx/static/themes/simple/less/preferences.less

#main_preferences {
  form {
      width: 100%;
  }

  fieldset {
  	margin: 8px;
    border: none;
  }

  legend {
    margin: 0;
    padding: 5px 0 0 0;
    display: block;
    float:left;
    width: 300px;
  }

  .value {
    margin: 0;
    padding: 0;
    float:left;
    width: 15em;
  }

  .description {
    margin: 0;
    padding: 5px 0 0 0;
    float:left;
    width: 50%;
    color: darken(#dcdcdc, 30%);
    font-size: 90%;
  }

  select {
    width: 200px;
    font-size: inherit !important;
  }

  table {
    border-collapse: collapse;
  }

  table td {
    text-align: center;
  }

  table.cookies {
    width: auto;

    th, td {
      text-align: left;
      padding: 0.25em;
    }

    th:first-child, td:first-child {
      padding-right: 4em;
    }

    &>tbody>tr:nth-child(even)>th,
    &>tbody>tr:nth-child(even)>td {
      background-color: @color-settings-tr-hover;
    }
  }

  .name, .shortcut {
    text-align: left;
  }

  .preferences_back {
    background: none repeat scroll 0 0 @color-settings-return-background;
    color: white;
    border: 0 none;
    .rounded-corners;
    cursor: pointer;
    display: inline-block;
    margin: 2px 4px;
    padding: 0.5em;

    a {
      display: block;
      color: @color-settings-return-font;
    }

    a::first-letter {
      text-transform: uppercase;
    }
  }


  div.selectable_url {
    pre {
      width: 100%;
    }
  }


  .engine-tooltip {
    display: none;
    position: absolute;
    padding: 0.5rem 1rem;
    margin: 0rem 0 0 2rem;
    border: 1px solid #ddd;
    background: white;
    font-size: 14px;
    font-weight: normal;
    z-index: 1000000; 
  }

  th:hover .engine-tooltip, .engine-tooltip:hover {
    display: inline-block;
  }
  
}

@media screen and (max-width: 75em) {
  .preferences_back {
	   clear: both;
   }
}