.aaccordion{width:80%;margin:0 auto;overflow:hidden;list-style:none;}
.aaccordion li{ float:left; width:20%;overflow:hidden;height:360px;transition:0.2s;}
.aaccordion div{padding:10px;}
.aaccordion:hover li{width:10%;}
.aaccordion li:hover{width:60%;}
.ttab_1{ background:red; }
.ttab_2{ background:orange; }
.ttab_3{ background:yellow; }
.ttab_4{ background:green; }