.section{min-height:660px;min-height:100vh;overflow:hidden}.logo-app img{display:block;width:80px;height:80px}.link-app i{font-size:12px;color:#000;font-style:normal}.title{position:absolute;top:8px;left:96px;text-align:left}.title a{display:block;color:rgba(0,0,0,.87)}.title-app{font-weight:bold;font-size:24px}.logo-app{display:block;margin-bottom:16px}.left{float:left;width:300px;text-align:center;display:block;margin-top:200px;position:relative}.link-app a:hover{opacity:.8}.logo-left{position:relative}.right{right:0;position:absolute;width:50%;top:75px;height:auto}.link-app .link{width:50%;float:left;height:auto;display:inline-block}#mamnon .right{width:60%}#toan1 .right{width:60%;top:148px}#toan .right{top:115px;width:60%}#toan2 .right{top:162px}.section{background:url(images/bg_container.jpg) top center no-repeat fixed;width:100%;background-size:cover;position:relative}.section:nth-child(2n){background:#f9f9fa}#toan1{background:url(images/bg_container1.jpg) top center no-repeat fixed;width:100%;background-size:cover;position:relative}#mamnon{background:url(images/bg_container2.jpg) top center no-repeat fixed;width:100%;background-size:cover;position:relative}#mamnon a,#mamnon i{color:#fff}#giaibaitap{background:url(images/bg_container1.jpg) top center no-repeat fixed;width:100%;background-size:cover;position:relative}#giaibaitap .right{width:37%}@media all and (max-width:960px){#toan2 .container{padding-bottom:0}#toan .right{width:100%}#mamnon .right{width:100%}#toan1 .right{width:100%}#giaibaitap .right{width:100%}.right{position:static;max-width:450px;margin:0 auto;width:inherit;height:inherit}.left{float:none;margin:67px auto 16px auto;max-width:300px;width:inherit}#giaibaitap .left,#hoctienganh .left{margin-top:51px}.phone img{max-width:100%;max-height:100%;display:block;margin:0 auto}.section{min-height:635px;min-height:100vh}}@media all and (max-width:375px){#toan2 .right{margin-top:65px}}