*{margin:0;padding:0}._box{background-image:linear-gradient(to bottom right,hsla(0,0%,80%,.8),#3f5efb);height:100vh;overflow:hidden}.info_box{background-color:#fff;border-radius:20px;height:300px;margin:200px auto;text-align:center;width:350px}._title{display:inline-block;margin:20px auto}._input{margin-bottom:10px!important;width:90%!important}._tips{font-size:14px;height:30px;margin:0 auto;text-align:left;width:90%}.admin_box{height:100vh;overflow:hidden}