<style type="text/css">
.well {
    background: none;
    height: 800px;
}

.table-scroll tbody {
    position: absolute;
    overflow-y: scroll;
    height: 600px;
}

.table-scroll tr {
    width: 100%;
    table-layout: fixed;
    display: inline-table;
}

.table-scroll thead > tr > th {
    border: none;
}

.table-scroll-2 tbody {
    position: absolute;
    overflow-y: scroll;
    height: 600px;
}

.table-scroll-2 tr {
    width: 100%;
    table-layout: fixed;
    display: inline-table;
}

.table-scroll-2 thead > tr > th {
    border: none;
}

</style>