.uif-corner-check {
  position: absolute;
  left: 0;
  top: 0;
  border-top: 16px solid $primary-color;
  border-left: 16px solid $primary-color;
  border-right: 16px solid transparent;
  border-bottom: 16px solid transparent;
  width: 0;
  height: 0;
}
.uif-corner-check .uif-i {
  position: absolute;
  left: -13px;
  top: -16px;
  color: #fff;
  z-index: 1;
  font-size: 16px;
  width: 16px;
  text-align: center;
}