input.editable-select {
  background: #FFF url(arrow-down.gif) right center no-repeat;
  border: 1px solid #CCC;
  padding: 2px 8px 2px 4px;
}
.editable-select-options {
  position: absolute;
  display: none;
  overflow: auto;
  margin: 0;
  padding: 0;
  background: #FFF;
  border: 1px solid #CCC;
  z-index: 10;
}
.editable-select-iframe {
  position: absolute;
  background: #FFF;
  z-index: 9;
  display: none;
}
  .editable-select-options ul {
    margin: 0;
    padding: 0;
    z-index: 10;
    list-style: none;
    list-style-image: none;
  }
    .editable-select-options li {
      cursor: default;
      padding: 2px 4px;
    }
    .editable-select-options li.selected {
      background: blue;
      color:#fff;
    }