<p id="borderimg1">50 round</p>
<p id="borderimg2">20% round</p>
<p id="borderimg3">30% round</p>
#borderimg1 {
  border: 10px solid transparent;
  padding: 15px;
  border-image: url(https://laptrinhtudau.com/wp-content/uploads/2022/01/border.png) 50 round;
}

#borderimg2 {
  border: 10px solid transparent;
  padding: 15px;
  border-image: url(https://laptrinhtudau.com/wp-content/uploads/2022/01/border.png) 20% round;
}

#borderimg3 {
  border: 10px solid transparent;
  padding: 15px;
  border-image: url(https://laptrinhtudau.com/wp-content/uploads/2022/01/border.png) 30% round;
}

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