	一句话概述代码的用途：（例：使用js控制复制及输入数据时只能是数字） 120* 字
	代码类型：无函数类插件单段代码直接可运行
	TAG标签：（用空格隔开） 30 字
	描述说明：请填写代码的实现原理、应用场景、功能说明、调用示例、注意事项等。
	网页加载时如果有很多js与css会引起网页卡钝现象，用个loading效果等网页内容加载完后再显示，体验会好很多背景色可更换
	代码正文：*
	简单说明：排序： <html> <head> <meta charset="UTF-8"> <title>纯CSS3方块翻转效果的Loading加载动画DEMO演示</title> <style> body,html{width:100%;height:100%;} body{margin:0;} .je_loader_mask,.je_loader{position:absolute;top:0;left:0;height:100%;width:100%;z-index:10;background-color:#403833;} .je_loader{z-index:11} .je_loader .je_main{position:absolute;top:50%;left:50%;width:172px;height:128px;margin:0;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)} @media (max-width:550px){.je_loader{-webkit-transform:scale(0.75);transform:scale(0.75)}} @media (max-width:440px){.je_loader{-webkit-transform:scale(0.5);transform:scale(0.5)}} .je_square{position:relative} .je_square:nth-child(1){margin-left:0px} .je_square:nth-child(2){margin-left:44px} .je_square:nth-child(3){margin-left:88px} .je_square:nth-child(4){margin-left:132px} .je_square span{position:absolute;top:0px;left:20px;height:36px;width:36px;border-radius:2px;background-color:#FFFFFF} .je_square span:nth-child(1){top:0px} .je_square span:nth-child(2){top:44px} .je_square span:nth-child(3){top:88px} .je_square:nth-child(1) span{-webkit-animation:animsquare1 2s infinite ease-in;animation:animsquare1 2s infinite ease-in} .je_square:nth-child(2) span{-webkit-animation:animsquare2 2s infinite ease-in;animation:animsquare2 2s infinite ease-in} .je_square:nth-child(3) span{-webkit-animation:animsquare3 2s infinite ease-in;animation:animsquare3 2s infinite ease-in} .je_square:nth-child(4) span{-webkit-animation:animsquare4 2s infinite ease-in;animation:animsquare4 2s infinite ease-in} .je_square span:nth-child(1){-webkit-animation-delay:0.00s;animation-delay:0.00s} .je_square span:nth-child(2){-webkit-animation-delay:0.15s;animation-delay:0.15s} .je_square span:nth-child(3){-webkit-animation-delay:0.30s;animation-delay:0.30s} @-webkit-keyframes animsquare1{0%,5%,95%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}30%,70%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} @keyframes animsquare1{0%,5%,95%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}30%,70%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} @-webkit-keyframes animsquare2{0%,10%,90%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}35%,65%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} @keyframes animsquare2{0%,10%,90%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}35%,65%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} @-webkit-keyframes animsquare3{0%,15%,85%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}40%,60%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} @keyframes animsquare3{0%,15%,85%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}40%,60%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} @-webkit-keyframes animsquare4{0%,20%,80%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}45%,55%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} @keyframes animsquare4{0%,20%,80%,100%{-webkit-transform:translate(0px,0px) rotate(0deg);transform:translate(0px,0px) rotate(0deg)}45%,55%{-webkit-transform:translate(-40px,0px) rotate(-90deg);transform:translate(-40px,0px) rotate(-90deg)}} </style> </head> <body> <div class="je_loader_mask"></div> <div class="je_loader"> <div class="je_main"> <div class="je_square"> <span></span> <span></span> <span></span> </div> <div class="je_square"> <span></span> <span></span> <span></span> </div> <div class="je_square"> <span></span> <span></span> <span></span> </div> <div class="je_square"> <span></span> <span></span> <span></span> </div> </div> </div> </body> </html>