순수 CSS를 사용하여 아름다운 원형 패턴을 그리는 예제 코드

.circle {
border-radius: 50%;
width: 200px;
height: 200px; 
/* 宽度和高度需要相等 */
}

/* 动画定义 */
@keyframes spin {
from { transform: rotate(0deg); }
to { transform: rotate(360deg); }
}</p> <p>/* 旋转，渐变色 */
#advanced {
width: 200px;
height: 200px;</p> <p> background-image: -moz-radial-gradient(45px 45px 45deg, circle cover, yellow 0%, orange 100%, red 95%);
background-image: -webkit-radial-gradient(45px 45px, circle cover, yellow, orange);
background-image: radial-gradient(45px 45px 45deg, circle cover, yellow 0%, orange 100%, red 95%);</p> <p> animation-name: spin; 
animation-duration: 3s; /* 3 seconds */
animation-iteration-count: infinite; 
animation-timing-function: linear;
}