body{background:url(../img/page1背景.jpg) center bottom/cover no-repeat fixed;background-repeat:no-repeat;background-position:center bottom}#login_title{color:#fff;font-weight:bold;font-size:3rem;text-shadow:#000 .1em .1em .2em}footer{background:#fff;font-weight:bold}#submitButton{background:#6ec4cf;font-weight:bold;border:none}.code_box{background:#ffeaac;padding:.5rem 2rem;font-weight:bold;border-radius:5px;width:120px;text-align:center}#realodValodateCode{cursor:pointer;height:1.3rem;padding:0 1.4rem}