/**
 * Variables
 */
/**
 * Wrapper
 */
.combo-select {
  position: relative;
  font: 100% Helvetica, Arial, Sans-serif;
  border-radius: 3px; }
  .combo-select .combo-input {
    margin-bottom: 0; }

/**
 * Input field
 */
.combo-input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  margin: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: none;
  width: 100%;
  border-radius: 3px; 
box-sizing: border-box;
}
  .combo-input:focus {
    outline: none; }

/**
 * Arrow
 */
.combo-arrow {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  cursor: pointer;
  text-align: center;
  font-size: 14px;
  width: 40px;
  font-size: 12px;
  color: #999999; }
  .combo-arrow:before {
    content: " ";
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #cccccc;
    display: block;
    width: 0;
    height: 0;
    top: 0;
    right: 15px;
    bottom: 0;
    position: absolute;
    margin: auto 0; }

/**
 * When opened
 */
.combo-open .combo-arrow {
  border-color: #51A7E8; }
  .combo-open .combo-arrow:before {
    border-top: none;
    border-bottom: 5px solid #cccccc; }

/**
 * When focused
 */

/**
 * Hide native select
 */
.combo-select select {
 display:none;
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  -webkit-appearance: none;
  opacity: 0; }

@media only screen and (min-width: 960px) {
  .combo-select select {
    left: -1px;
    top: -1px;
    width: 0;
    height: 0;
    margin: 0; } }
/**
 * Selected option
 */
.option-selected {
  background-color: #eee; }

/**
 * Hovered option
 */
.option-hover {
  background-color: #f7f7fa;
  color: #333; }

/**
 * Option item
 */
.option-item {
  cursor: pointer;
  border-bottom: 1px #e3e3e3 solid; }
  .option-item:hover {
    background-color: #f7f7fa;
    color: #333; }
  .option-item:last-child {
    border-bottom: none; }

/**
 * Disabled and optgroups
 */
.option-group {
  cursor: text;
  font-weight: 600;
  background: #e1e1e1;
  border: 1px #ccc solid;
  border-width: 1px 0; }

/**
 * Disabled
 */
.option-disabled {
  opacity: 0.5; }

/**
 * Dropdown
 */
.combo-dropdown {
  position: absolute;
  z-index: 11;
  top: 100%;
  left: 0;
  min-width: 100%;
  max-height: 200px;
  margin: 0;
  padding: 0;
  display: none;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #e4e6ed;
  border-radius: 0;
  box-sizing: border-box;
  border-top: 2px solid #5e9bfc; 
}
  .combo-dropdown li {
    list-style: none;
    padding: 8px 1em;
    margin: 0; }

/**
 * On Active
 */
.combo-open .combo-dropdown {
  display: block; }

/**
 * Search marker
 */
.combo-marker {
  text-decoration: underline; }
.combo-dropdown::-webkit-scrollbar{/*滚动条整体部分，其中的属性有width,height,background,border等（就和一个块级元素一样）（位置1）*/
  width:5px;
  height:5px;
}
.combo-dropdown::-webkit-scrollbar-button{/*滚动条两端的按钮，可以用display:none让其不显示，也可以添加背景图片，颜色改变显示效果（位置2）*/
  display: none;
}
.combo-dropdown::-webkit-scrollbar-track{/*外层轨道，可以用display:none让其不显示，也可以添加背景图片，颜色改变显示效果（位置3）*/
  background:#000;
  display: none;
}
.combo-dropdown::-webkit-scrollbar-track-piece{/*内层轨道，滚动条中间部分（位置4）*/
  background:#fff;
}
.combo-dropdown::-webkit-scrollbar-thumb{/*滚动条里面可以拖动的那部分（位置5）*/
  background:#c1c1c2;
  border-radius:3px;
  padding-left: 3px;
  width: 6px;
}
.combo-dropdown::-webkit-scrollbar-corner {/*边角（位置6）*/
  background:#fff;
}
.combo-dropdown:-webkit-scrollbar-resizer  {/*定义右下角拖动块的样式（位置7）*/
  background:#FF0BEE;
  display: none;
}
.combo-dropdown{
  scrollbar-arrow-color: #fff; /**//*三角箭头的颜色*/
  scrollbar-face-color: #f2f2f2; /**//*立体滚动条的颜色*/
  scrollbar-3dlight-color: #fff; /**//*立体滚动条亮边的颜色*/
  scrollbar-highlight-color: #fff; /**//*滚动条空白部分的颜色*/
  scrollbar-shadow-color: #fff; /**//*立体滚动条阴影的颜色*/
  scrollbar-darkshadow-color: #fff; /**//*立体滚动条强阴影的颜色*/
  scrollbar-track-color: #fff; /**//*立体滚动条背景颜色*/
  scrollbar-base-color:#f2f2f2; /**//*滚动条的基本颜色*/
}