body {
    margin-top: 100px;
    font-family: 'Trebuchet MS', serif;
    line-height: 1.6
}

.container {
    width: 800px;
    margin: 0 auto;
}



ul.tabs {
    margin: 0px;
    padding: 0px;
    list-style: none;
}

    ul.tabs li {
        background: none;
        color: #222;
        display: inline-block;
        padding: 10px 15px;
        cursor: pointer;
    }

        ul.tabs li.current {
            background: #ededed;
            color: #222;
        }

.tab-content {
    display: none;
    background: #ededed;
    padding: 15px;
}

    .tab-content.current {
        display: inherit;
    }