.tabs {
    margin: 0 auto;
    padding: 0 20px;
}

.table-fixed thead {
    width: 100%;
}

.table-fixed tbody {
    height: 230px;
    overflow-y: auto;
    width: 100%;
}

.table-fixed thead, .table-fixed tbody, .table-fixed tr, .table-fixed td, .table-fixed th {
    display: block;
}

    .table-fixed tbody td, .table-fixed thead > tr > th {
        float: left;
        border-bottom-width: 0;
    }



#tab-button {
    display: table;
    table-layout: fixed;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
}

    #tab-button li {
        display: table-cell;
        width: 20%;
    }

        #tab-button li a {
            display: block;
            padding: .5em;
            background: #eee;
            border: 1px solid #ddd;
            text-align: center;
            color: #000;
            text-decoration: none;
        }

        #tab-button li:not(:first-child) a {
            border-left: none;
        }

        #tab-button li a:hover,
        #tab-button .is-active a {
            border-bottom-color: transparent;
            background: #fff;
        }

.tab-contents {
    padding: .5em 2em 1em;
    border: 1px solid #ddd;
}



.tab-button-outer {
    display: none;
}

.tab-contents {
    margin-top: 20px;
}

@media screen and (min-width: 768px) {
    .tab-button-outer {
        position: relative;
        z-index: 2;
        display: block;
    }

    .tab-select-outer {
        display: none;
    }

    .tab-contents {
        position: relative;
        top: -1px;
        margin-top: 0;
    }
}