.js-Dropdown {
    display: inline-block;
    font: 400 14px sans-serif;
    position: relative;
    width: 20em;
  }
  .js-Dropdown-title {
    background: #ffffff;
    border: 1px groove #a5a5a5;
    box-sizing: border-box;
    cursor: pointer;
    font: 400 14px sans-serif;
    height: 3em;
    padding: 0.5em;
    position: relative;
    text-align: left;
    width: 100%;
  }
  .js-Dropdown-title:after {
    border-color: #a5a5a5 transparent transparent transparent;
    border-style: solid;
    border-width: 10px 12px;
    content: '';
    display: block;
    height: 0;
    position: absolute;
    right: 1em;
    top: 45%;
    width: 0;
  }
  .js-Dropdown-list {
    background: #ffffff;
    border-left: 1px solid #a5a5a5;
    border-right: 1px solid #a5a5a5;
    box-sizing: border-box;
    display: none;
    height: 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    padding: 0;
    position: absolute;
    transition: 0.2s linear;
    width: 100%;
    z-index: 999;
  }
  .js-Dropdown-list.is-open {
    display: block;
    height: auto;
    opacity: 1;
  }
  .js-Dropdown-list li {
    border-bottom: 1px solid #a5a5a5;
    cursor: pointer;
    padding: 1em 0.5em;
  }
  .js-Dropdown-list li:hover {
    background-color: #fff5e9;
  }
  .js-Dropdown-list li.is-selected {
    background-color: #ffdfb6;
  }
  .js-Dropdown-list li.is-disabled {
    background-color: #f5f5f5;
    color: #a5a5a5;
    cursor: not-allowed;
  }
  .js-Dropdown-optgroup {
    border-bottom: 1px solid #a5a5a5;
    color: #a5a5a5;
    cursor: default;
    padding: 1em 0.5em;
    text-align: center;
  }