border-radius

by Wang Peng

HTML

<div class="round"></div>
<div class="oval"></div>

CSS

.round {
    width: 100px;
    height: 100px;
    border: 1px solid #ccc;
    border-radius: 50%;
}
.oval {
    width: 200px;
    height: 100px;
    border: 1px solid #ccc;
    border-radius: 50%;
}