#app,body,html{height:100%}.error-page{width:100%;height:100%;overflow:hidden;text-align:center}.error-page .tips{font-size:60px;padding-top:200px}.error-page .btn{width:240px;margin:140px auto 0;font-size:30px;color:#aaa}.error-page .btn a{border-bottom:2px solid #aaa;padding-bottom:6px}