.table-fixed tbody {

    height: 350px;
    overflow-y: auto;
    width: 100%;
        
}

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

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