*{margin:0;padding:0}.title{padding:20px;text-align:center}.sign-canvas,.view-image{display:block;margin:14px 0}.config{width:350px;margin:14px 0}.config .ul-config .li-c{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding:4px 10px}.config .ul-config .li-c .item-label{font-size:14px}.config .ul-config .li-c .item-content{margin-left:10px}.sign-btns{margin:14px 0}