.sudy-tab .tab-menu li {
    background: #dfdfdf;
    line-height: 40px;
    height: 40px;
    font-size: 16px;
    font-weight: normal;
    margin-right: 17px;
}

.sudy-tab .tab-menu li.selected {
    background: #811c21;
}

iframe#content_list {
    min-height: 600px;
}