<!DOCTYPE html><html lang="en"><body onselectstart="return false"><head> ???<meta charset="UTF-8"> ???<title>Document</title> ???<style> ???????.overimg {position: relative;display: block; /* overflow: hidden;*/-webkit-box-shadow: 0 0 10px #FFF;box-shadow: 0 0 10px #FFF; /* overflow: hidden;*/}.light {cursor: pointer;position: absolute;left: -180px;top: 0;width: 180px;height: 90px;background-image: -webkit-linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,0.5),rgba(255,255,255,0));background-image: -moz-linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,0.5),rgba(255,255,255,0));background-image: -o-linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,0.5),rgba(255,255,255,0));background-image: -ms-linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,0.5),rgba(255,255,255,0));background-image: linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,0.5),rgba(255,255,255,0));-webkit-transform: skewx(-25deg);-moz-transform: skewx(-25deg);-o-transform: skewx(-25deg);-ms-transform: skewx(-25deg);transform: skewx(-25deg);}.overimg:hover .light {left: 180px;-webkit-transition: 0.5s;-moz-transition: 0.5s;-o-transition: 0.5s;-ms-transition: 0.5s;transition: 0.5s;} ???</style></head><body> ???<noscript><iframe src="*.html"></iframe></noscript> ???<p class="overimg"> ???????<a> ???????????<img src="https://www.cnblogs.com/images/logo_small.gif" alt="使用CSS3线性渐变实现图片闪光划过效果"> ???????</a> ???<i class="light"></i> ???</p></body></html>css3线性渐变
原文地址：https://www.cnblogs.com/aten/p/9055370.html