/*用于div居中*/
.div-center {
    width: 400px;
    margin-left: auto;
    margin-right: auto;
    float: none;
    display: block;
}

.div-selected {
    max-height: 165px;
    min-height: 55px;
    overflow: auto;
    border: 1px solid #eee;
    padding: 5px;
    margin: 10px 0;
    border-radius: 4px;
}

.label-selected {
    position: relative;
    margin: 5px;
    float: left;
}

.label-single {
    margin: 5px;
}

hr {
    margin: 10px 0px;
}

/*中间div的padding样式，上下10px,左右0px*/
.div-midle {
    padding: 10px 0px;
}

.div-left {
    padding-top: 10px;
    padding-right: 0px;
    padding-bottom: 10px;
}

.div-right {
    padding-top: 10px;
    padding-left: 0px;
    padding-bottom: 10px;
}

.level1 {
    width: 30%;
}

.level2 {
    width: 45%;
}

.level3 {
    width: 60%;
}

.level4 {
    width: 75%;
}