Sidebar

style.less

.block.sidebar {
  display: table;
}

.block .sidebar {
  background-color: #e3e6eb;
  display: table-cell;
  vertical-align: middle;
}

.block .sidebar .side-title {
  -webkit-transform: rotate(270deg);
  -ms-transform: rotate(270deg);
  -o-transform: rotate(270deg);
  transform: rotate(270deg);
}

.block.sidebar .content {
  width: 500px;
  display: table-cell;
}