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<div id="bitmap">我想要成为科技感爆棚的元素.</div>
#bitmap {
  border: 30px solid transparent;
  border-image: url("http://www.imaoda.com/s/img/tpl/border.png") 5%;
  box-shadow: 0 0 3rem #33A1C9;
  background: rgba(0, 110, 150, .5);
  padding: 10px;
  color : #33A1C9;
  width: 80%;
  margin: auto;
}
body {
  background: url(http://6.eewimg.cn/mp/uploads/2018/09/30/9fa1cbde-c456-11e8-8169-001e676a89bd.jpg);
  background-size: cover;
  padding: 10px
}

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