.sey-list {
  display: none;
  position: absolute;
  list-style-type: none;
  box-shadow: 1px 2px 6px;
  background-color: #fff;
  color: #333;
  z-index: 99999;
  max-height: 300px;
  overflow-y: auto;
  padding-left: 0;
}
.sey-list::-webkit-scrollbar{
	width: 10px;
	height: 10px;
	background-color: #F0F0F0;
	border-radius: 10px;
}
.sey-list::-webkit-scrollbar-track{
	border-radius: 10px;
	background-color: #F0F0F0;
}
.sey-list::-webkit-scrollbar-thumb{
  	border-radius: 10px;
  	background-color: #CCCCCC;
 }
.sey-show {
  display: block;
}
.sey-hide {
  display: none;
}
.sey-item {
  cursor: pointer;
  padding: 7px;
}
.sey-item:hover {
  background-color: rgba(51,122,183,0.8);
  color: #fff;
}
.sey-selected {
  background-color: #337AB7;
  color: #fff;
}