锘縪l, ul {list-style: none;}
.Sel_box {position: relative;display:inline-block;}
.Sel_box .Sel_input {width: 400px;height: 30px;border: 1px solid #ccc;padding: 2px 15px;}
.Sel_box .Sel_option {width: 400px;max-height: 200px;overflow-y: auto;padding: 2px 15px;border: 1px solid #ccc;margin-top: -1px;position: absolute;top: 36px;left: 0;background: #fff;z-index: 1;box-sizing:border-box;}
.Sel_box li {font: 14px/18px Arial, Helvetica, sans-serif;color: #333;width: 100%;overflow: hidden;text-overflow: ellipsis;}
.Sel_box li:hover {color: #ff7300;cursor: pointer;}