.contract-modal{width:100%;z-index:900;margin:0 auto}.contract-modal .contract-detail{margin:0 auto;height:auto}.contract-btns{height:50px;background-color:#fff;text-align:center;padding-bottom:44px;padding-top:10px}#mycanvas{min-height:50vh;background:#fff}canvas{margin:0 auto;display:block;width:90%;border-bottom:2px solid #aaa}.el-loading-spinner{top:40vh}