.table-fixed tbody {
  height: 300px;
  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 tbody th, .table-fixed thead > tr > th {
  float: left;
  position: relative;
}