.tui-time-axis {
  padding-left: 20px;
  box-sizing: border-box;
  position: relative;
}

.tui-time-axis::before {
  content: " ";
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  bottom: 0;
  border-left: 1px solid #ddd;
  -webkit-transform-origin: 0 0;
  transform-origin: 0 0;
  -webkit-transform: scaleX(0.5);
  transform: scaleX(0.5);
}