<div class="wrap">
<div class='main'></div>
</div>
.wrap {
display: flex;
justify-content: center;
margin: 40px auto 0;
}
.main {
background: #0aaaa0;
border-radius: 50%; /*等价于 border-radius: 150px / 100px; */
width: 300px;
height: 200px;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.