html{height:100%}body{color:#fff;height:100%;font-family:"微软雅黑";background-color:#000}.navbar{padding:20px 0;letter-spacing:1px}.navbar-light .navbar-nav .nav-link{color:#ddd}.navbar-light .navbar-nav .nav-link:hover{color:#fff}.content{width:100%;height:100%;display:table;padding:200px 0;text-align:center;background:url(../img/bg.jpg) no-repeat bottom center scroll;background-size:cover}.content .content-body{display:table-cell;vertical-align:middle}.content .content-body .container{margin-bottom:50px}.content .content-heading{font-size:100px;margin-bottom:35px}.content .content-intro{font-size:28px}footer{width:100%;padding:20px;text-align:center;position:absolute;bottom:0}footer img{margin:-5px 5px 0 0}footer *{color:#fff}footer *:hover{color:#fff}