是的，有可能-看到这个：
演示_
.circle { position: relative; margin: 7em auto; width: 16em; height: 16em; border-radius: 50%; background: lightblue;}.arc { overflow: hidden; position: absolute; top: -1em; right: 50%; bottom: 50%; left: -1em; transform-origin: 100% 100%; transform: rotate(45deg) skewX(30deg);}.arc:before { box-sizing: border-box; display: block; border: solid 1em navy; width: 200%; height: 200%; border-radius: 50%; transform: skewX(-30deg); content: '';}<div > <div ></div></div>
