<div class="radius">
  radius
</div>
body{
  background: lightyellow;
}

.radius{
  /* 기본 디자인 */
  background:coral;
  width:40%;
  margin:50px auto;
  text-align:center;
  color:white;
  height:300px;
  line-height:300px;
  font-size:20px;
  
  /* 테두리 둥글게 */
  border-radius:55px;
  
}

External CSS

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External JavaScript

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