代码如下：
<!DOCTYPE html><html ><head> ?<meta charset="UTF-8"> ?<title>CodePen - word animation | word filter</title><style>* { ?box-sizing: border-box;}html, body { ?height: 100%; ?width: 100%; ?background-color: black; ?padding:0; ?margin:0;}.container { ?width: 100%; ?height: 100%; ?position: relative; ?filter: contrast(20); ?background-color: black; ?overflow: hidden;}h1 { ?font-family:consolas, 黑体; ?color: white; ?font-size: 4rem; ?text-transform: uppercase; ?line-height: 1; ?animation: letterspacing 5s infinite alternate ease-in-out; ?display: block; ?position: absolute; ?left: 50%; ?top: 40%; ?transform: translate3d(-50%, -50%, 0); ?letter-spacing: -2rem; ?white-space:nowrap; ??padding:0; ?margin:0;}@keyframes letterspacing { ?0% { ???letter-spacing: -2rem; ???filter: blur(1rem); ???color:red; ?} ?50% { ???filter: blur(0.5rem); ?} ?80% { ???letter-spacing: .5rem; ???filter: blur(0.1rem); ???color: #fff; ?} ?100% { ???letter-spacing: 0.5rem; ???filter: blur(0rem); ???color: #fff; ?}}</style></head><body><div class="container"> ?<h1>ABCDE 中文测试</h1></div></body></html> 参考来源：http://www.cnblogs.com/coco1s/p/7519460.html
【转载】CSS3 文字溶解效果
原文地址：http://www.cnblogs.com/zjfree/p/7522304.html