*{
    margin: 0;
    padding: 0;
}
html{overflow-x: hidden;}
table{margin:0 auto}
a{text-decoration: none;}
.top{height: 60px;width: 60px;border-radius: 50%;background: #347afb;position: fixed;bottom: 20%;right: 5%;line-height: 60px;text-align: center;}
.top a{color:#fff;display: block;height: 100%; width: 100%;}
.copyright{width: 1200px;height: 60px;margin: 0 auto;text-align: center;font-size: 20px;}
.copyright a{color: #000;}