.layui-form-autocomplete {
    position: relative;
}
    .layui-form-autocomplete dl {
        display: none;
        position: absolute;
        left: 0;
        top: 0;
        padding: 5px 0;
        z-index: 999;
        min-width: 100%;
        border: 1px solid #d2d2d2;
        max-height: 200px;
        overflow-y: auto;
        background-color: #fff;
        border-radius: 2px;
        box-shadow: 0 2px 4px rgba(0,0,0,.12);
        box-sizing: border-box;
    }
.layui-form-autocomplete dl dd, .layui-form-autocomplete dl dt {padding: 0 10px; line-height: 36px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.layui-form-autocomplete dl dt {font-size: 12px; color: #999;}
.layui-form-autocomplete dl dd {cursor: pointer;}
.layui-form-autocomplete dl dd:hover {background-color: #f2f2f2;}
.layui-form-autocomplete .layui-autocomplete-group dd {padding-left: 20px;}
.layui-form-autocomplete dl dd.layui-autocomplete-tips {padding-left: 10px!important; color: #999;}
.layui-form-autocomplete dl dd.layui-this {background-color: #5FB878; color: #fff;}
.layui-form-autocomplete-focus dl {display: block;}