.dv-border-box1 {
  position: relative;
  width: 100%;
  height: 100%;

  .border {
    position: absolute;
    display: block;
    border: none;
  }

  .right-top {
    right: 0px;
    transform: rotateY(180deg);
  }

  .left-bottom {
    bottom: 0px;
    transform: rotateX(180deg);
  }

  .right-bottom {
    right: 0px;
    bottom: 0px;
    transform: rotateX(180deg) rotateY(180deg);
  }

  .dv-border-box-inner {
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
    height: 100%;
  }
}
