html{height:100%;}
body{font-size:12px; height:100%; font-family:"微软雅黑"; margin:0px; padding:0px;} 
html,body,div,span,h1,h2,h3,h4,h5,h6,p,em,font,img,strong,dl,dt,dd,ol,ul,li,form{margin:0;padding:0;}
a:link,a:visited,a:active{ color: #79a9c8; text-decoration: none}
a:hover{ color: #fff; text-decoration: none; position: relative; right: 0px; top: 0px}
form{margin:0px; padding:10px 20px;}

.blank50{height:30px;}
.blank100{height:100px;}
.blank40{height:40px;} 
.blank15{height:15px;} 

.certificatebox{width:1000px; margin:0px auto;}

.certificatebanner{width:100%; overflow:hidden;}
.certificatebanner img{max-width:100%; height:auto;}

.certificate_width{width:350px; margin:0px auto;}

.cert_title{text-align:center;}
.cert_title h3{font-size:1.5rem;}

.cert_input{text-align:center;}
.login_inupt{width:100%; height:38px; line-height:38px; box-sizing:border-box; outline:none; background:url(yuan.jpg) no-repeat 97% center; border-radius:3px; border:1px solid #dc3545; text-indent:5px;}

.submitcss{display:inline-block; width:135px; height:45px; line-height:45px; text-align:center; border:0px; background:#dc3545; cursor:pointer; color:#fff; font-size:1rem; border-radius:5px;}