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21 lines
312 B
21 lines
312 B
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.ballBox{
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position: fixed;
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left: 0;
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top: 0;
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z-index: 9;
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/* 用颜色来演示用原理 */
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/*background-color: #4CD964*/
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height:30rpx;
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width:30rpx;
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}
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.ballOuter {
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background:red;
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height:100%;
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width:100%;
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border-radius: 50%;
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background-size: 100% 100%;
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background-position: center;
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}
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