signature {font-family: Arial, sans-serif;margin: 0;background-color: #f0f0f0;}
.signature .article{padding:20px 30px 0;}
.signature .article>h2{font-size: 20px;text-align: center;margin:20px 0 0;}
.signature .article>div p{font-size: 14px;line-height: 30px;margin-top: 10px;}
.signature .signature-qian {display: flex;justify-content: center;align-items: center;height: 260px;}
.signature #signatureCanvas {border: 1px solid #d2d2d2;background-color: #fff;}
.signature .controls {margin-left: 30px;text-align: center;}
.signature .controls button {padding: 10px 20px;margin: 5px;margin-top: 20px;border-color:#1e9fff;color:#1e9fff;border:1px solid;font-size: 16px;cursor: pointer;display: block}
.signature .controls button:nth-child(1){margin-top: 0px;border-color:#5f5f5f;color:#5f5f5f;}