changes.css

.ui-tabs-vertical .ui-tabs-nav {
    padding: .2em .1em .2em .2em;
    float: left;
    width: 18%;
    border: 0px;
    background: #FFFFFF no-repeat;
    overflow: hidden;
    border-radius: 0;
    box-shadow: -7px 0 7px #eaeaea inset;
}

.ui-tabs-vertical .ui-tabs-nav li.ui-state-default {
    background: transparent;
}

#tab_container {
    margin-right: 0;
    float: none;
    padding-right: 0;
}

.ui-tabs-vertical .ui-tabs-panel {
    padding: 1em;
    float: right;
    width: auto;
    margin: auto;
}

#tab_container #tab_scroll .tab_content {
    float: none;
    padding: 20px;
}