.container{width:100%;max-width:800px;margin:30px auto 0}h1,h2,h3,h4,h5{color:#111}h1.title{font-size:36px;margin-top:0;margin-bottom:15px}.el-form .el-select{width:100%}.url-preview{display:block;margin-top:6px;font-size:13px;word-break:break-word;line-height:1.15}footer{margin-top:20px}