.header-fixed {
  width: 100%;
}
.header-fixed > thead,
.header-fixed > tbody,
.header-fixed > thead > tr,
.header-fixed > tbody > tr,
.header-fixed > thead > tr > th,
.header-fixed > tbody > tr > td {
  display: block;
  text-align: center;
}
.header-fixed > tbody > tr:after,
.header-fixed > thead > tr:after {
  content: ' ';
  display: block;
  visibility: hidden;
  clear: both;
}
.header-fixed > tbody {
  overflow-y: auto;
  height: 150px;
}
.header-fixed > tbody > tr > td,
.header-fixed > thead > tr > th {
  float: left;
}
.old_ie_wrapper {
  height: 250px;
  overflow: auto;
}
.old_ie_wrapper tbody {
  height: auto;
}