::before { content: ""; position: absolute; right: calc(100% + 0.3rem); top: 0.32rem; width: 0.8rem; height: 0.05333rem; background: linear-gradient(90deg,hsla(0,0%,100%,0),#fff); }
::after { content: ""; position: absolute; left: calc(100% + 0.3rem); top: 0.32rem; width: 0.8rem; height: 0.05333rem; background: linear-gradient(90deg,#fff,hsla(0,0%,100%,0));
博客展示了CSS中::before和::after伪元素的样式设置代码。通过设置绝对定位、宽度、高度和背景渐变等属性,实现特定的视觉效果,属于前端开发中CSS技术的应用。
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