.panel_toolbox {
    float: right;
    min-width: 70px
}
.panel_toolbox>li{
    float: left;
    cursor: pointer
}
.panel_toolbox>li>a{
    padding: 5px;
    /*color: #C5C7CB;*/
    color: #222;
    font-size: 14px
}
.panel_toolbox>li>a:hover {
    background: #F5F7FA
}
.line_30 {
    line-height: 30px
}
.main_menu_side {
    padding: 0
}
.bs-docs-sidebar .nav>li>a {
    display: block;
    padding: 4px 6px
}

.expand {
    display: block;
    text-decoration: none;
    color: #555;
    cursor: pointer
}
.expand h2 {
    width: 85%;
    float: left
}
.x_panel {
    position: relative;
    width: 100%  !important;
    //height: 480px !important;
    margin-bottom: 10px;
    padding: 10px 17px;
    display: inline-block;
    //background: #fff;
    //background: #eeeaea;
    color: #222;;
    border: 1px solid #E6E9ED;
    -webkit-column-break-inside: avoid;
    -moz-column-break-inside: avoid;
    column-break-inside: avoid;
    opacity: 1;
    transition: all .2s ease
}
.x_title
{
    //cursor: pointer;
    border-bottom: 2px solid #E6E9ED;
    padding: 1px 5px 6px;
    //margin-bottom: 10px;
    color: #222;
    //background: #FFF;
}
.x_title .filter {
    width: 40%;
    float: right
}
.x_title h2 {
    margin: 5px 0 6px;
    float: left;
    display: block;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap
}
.x_title h2 small {
    margin-left: 10px
}
.x_title span {
    color: #BDBDBD
}
.x_content {
    //padding: 0 5px 6px;
    position: relative;
    width: 100%;
    height: 400px !important;
    float: left;
    clear: both;
    margin-top: 5px
}
.x_content h4 {
    font-size: 16px;
    font-weight: 500
}