body {
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
}

.container {
}

.container > div {
    text-align: center;
    font-size: 16px;
    cursor: pointer;
    margin: 0;
    display: inline-block;
    float: left;
    width: 25%;
    height: 50px;
    line-height: 50px;
    border: rgba(238, 238, 238, 0.6) 1px solid;
    box-sizing: border-box;
}

.clearfix:before, .clearfix:after {
    content: " ";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    *zoom: 1;
}

.is-tabs {
    white-space: nowrap;
    padding: 20px 15px;
    padding-bottom: 5px;
    padding-top: 10px;
    box-sizing: border-box;
    font-family: sans-serif;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: #f9f9f9;
}

.is-tabs a {
    display: inline-block;
    float: left;
    padding: 3px 3px 0;
    color: #4a4a4a;
    border-bottom: transparent 1px solid;

    margin: 0 16px 10px 0;
    text-decoration: none;
    transition: box-shadow ease 0.3s;
}

.is-tabs a.active {
    background: transparent;
    box-shadow: none;
    cursor: default;
    border-bottom: rgba(103, 103, 103, 0.72) 1px solid;
}

.tab-content {
    position: fixed;
    width: 100%;
    height: calc((100% - 84px));
    top: 84px;
    left: 0;
    overflow-x: hidden;
    overflow-y: auto;
    display: none;
    flex-flow: wrap;
    align-content: start;
}

.tab-content > div {
    min-width: 65px
}

.is-tabs-more {
    box-sizing: border-box;
    width: 180px;
    position: absolute;
    top: 0;
    left: 0;
    background: #fff;
    border: #ccc 1px solid;
    display: none;
    z-index: 1;
    font-family: sans-serif;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.is-tabs-more > a {
    display: block;
    color: #4a4a4a;
    padding: 10px;
    text-decoration: none;
    text-align: center;
}

.is-tabs-more a.active {
    background: transparent;
    box-shadow: none;
    cursor: default;
}

.is-tabs-more > a:hover, .is-tabs-more > a.active {
    background: #f3f3f3;
}