#select_content {
    display: none;
    position: absolute;
    left: 0;
    top: 42px;
    padding: 5px 0;
    z-index: 1000;
    min-width: 100%;
    border: 1px solid #d2d2d2;
    max-height: 300px;
    overflow-y: auto;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,.12);
    box-sizing: border-box;
}
#select_content dd.layui-this {
    background-color: #5FB878;
    color: #fff;
}
#select_content dd {
    cursor: pointer;
}
#select_content dd {
    padding: 0 10px;
    line-height: 36px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
#select_content dd:hover {
    background-color: #f2f2f2;
    -webkit-transition: .5s all;
    transition: .5s all;
}

.select_content {
    display: none;
    position: absolute;
    left: 0;
    top: 42px;
    padding: 5px 0;
    z-index: 1000;
    min-width: 100%;
    border: 1px solid #d2d2d2;
    max-height: 300px;
    overflow-y: auto;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,.12);
    box-sizing: border-box;
}
.select_content dd.layui-this {
    background-color: #5FB878;
    color: #fff;
}
.select_content dd {
    cursor: pointer;
}
.select_content dd {
    padding: 0 10px;
    line-height: 36px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.select_content dd:hover {
    background-color: #f2f2f2;
    -webkit-transition: .5s all;
    transition: .5s all;
}