ul.dt-button-collection li.dt-button {
  position: relative;
  padding-left: 15px;
}
ul.dt-button-collection li.dt-button:before,
ul.dt-button-collection li.dt-button:after {
  display: block;
  position: absolute;
  top: 11px;
  left: 10px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
}
ul.dt-button-collection li.dt-button:before {
  content: ' ';
  margin-top: -6px;
  margin-left: -6px;
  border: 1px solid black;
  border-radius: 3px;
}
ul.dt-button-collection li.dt-button.active:after {
  content: '\2714';
  margin-top: -11px;
  margin-left: -5px;
  text-align: center;
}
ul.dt-button-collection li.dt-button > a,
ul.dt-button-collection li.dt-button > a:hover,
ul.dt-button-collection li.dt-button > a:focus {
  background-color: transparent !important;
}
table.dataTable > tbody td.dataTables_empty {
  padding-top: 200px !important;
  padding-bottom: 100px !important;
  background: url('images/empty_datatable.png') center top 50px no-repeat;
  background-color: #fff;
}