table-fixed-header.css

    .table-fixed {
        width: 100%;
    }

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

    .table-fixed tr:after {
        content: ' ';
        display: block;
        visibility: hidden;
        clear: both;
    }

    .table-fixed thead th {
        height: 30px;

        /*text-align: left;*/
    }

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

    .table-fixed thead {
        /* fallback */
    }


    .table-fixed tbody td, thead th {
        width: 19.2%;
        float: left;
    }