<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>CSS3实现loading（加载）动画效果</title></head><style>.spinner {margin: 100px auto;width: 50px;height: 60px;text-align: center;font-size: 10px;}.spinner > div {background-color: #f00;height: 100%;width: 6px;display: inline-block;-webkit-animation: stretchdelay 1.2s infinite ease-in-out;animation: stretchdelay 1.2s infinite ease-in-out;}.spinner .rect2 {-webkit-animation-delay: -1.1s;animation-delay: -1.1s;}.spinner .rect3 {-webkit-animation-delay: -1.0s;animation-delay: -1.0s;}.spinner .rect4 {-webkit-animation-delay: -0.9s;animation-delay: -0.9s;}.spinner .rect5 {-webkit-animation-delay: -0.8s;animation-delay: -0.8s;}@-webkit-keyframes stretchdelay {0%, 40%, 100% { -webkit-transform: scaleY(0.4) } 20% { -webkit-transform: scaleY(1.0) }}@keyframes stretchdelay {0%, 40%, 100% {transform: scaleY(0.4);-webkit-transform: scaleY(0.4);} 20% {transform: scaleY(1.0);-webkit-transform: scaleY(1.0);}}</style><body><div class="spinner"><div class="rect1"></div><div class="rect2"></div><div class="rect3"></div><div class="rect4"></div><div class="rect5"></div></div></body></html>
