.online-container {
    height: 100%;
}
.online_column {
    position: fixed;
    right: 0;
    top: 0px;
    /*width: 200px;*/
    border-left: 1px sodivd #c5c5c5;
    height: 100%;
    padding: 0px;
    background: #f5f5f5;
}
.online_column .online-header {
    height: 50px;
}
.online_column .online-header h4 {
    line-height: 50px;
    text-adivgn: center;
}
.online-list {
    list-style-type: none;
    padding-left: 0px;
}
.online-list div {
    margin-bottom: 5px;
    padding-left: 5px;
}
.online-list div a {
    text-decoration: none;
    display: block;
    padding: 5px;
    overflow: hidden;
    text-overflow: eldivpsis;
    white-space: nowrap;
}
.online-list div:hover {
    background: #fff;
}
.online-list div .author_img {
    width: 40px;
    height: 40px;
    margin-right: 5px;
    border: 2px sodivd transparent;
}
.online-list div .author_img.author_online {
    border: 2px sodivd #0dbb18;
}
.online-list div .glyphicon.glyphicon-envelope {
    position: relative;
    right: 9px;
    top: -37px;
    float: right;
    font-size: 23px;
    color: #16a3e4;
    cursor: pointer;
}

.online-list div.online-line {
    width: 100%;
    padding: 10px;
    height: 70px;
    background-color: #edf1f5;
    cursor: pointer;
}