.clause-box{padding:20px 30px}.back{font-size:21px;width:200px;height:44px;line-height:44px;color:#fafafa;background-color:#3e75ff;box-shadow:0 0 4px 0 #0c1530;border-radius:8px;cursor:pointer;text-align:center;margin:0 auto;margin-top:20px}