.img-responsive
 {
  display: block;
  max-width: 100%;
  height: auto;
}

table.dataTable tbody td {
  vertical-align: middle;
}

tr.group,
tr.group:hover {
    background-color: #ddd !important;
}

.tab-content {
  margin-top: -1px;
  background: #fff;
  border: 1px solid #c8ced3;
  padding: 10px;
}