body {
      display: flex;
      justify-content: center;
      align-items: center;
background-color:#18266f;
    }

    .wrapper {
      position: relative;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      width: 1px;

    }

    .el {
      position: absolute;
      opacity: 1;
      width: 2px;
      height: 24vh;
      margin-top: -12vh;
      transform-origin: 50% 100%;
      background: white;
    }
	
	.terugknop {
	position: absolute;
    z-index: 999;
    background: #fff;
    border: 0;
    padding: 8px 15px;
		top:0;
	left:0
}

.terugknop:hover {
	cursor: pointer;

}