.canvasborder{border:1px solid #ccc}@media screen and (orientation:portrait){.canvaspanel canvas{width:100%!important;height:100%!important}.buttongroup{left:-50px;position:absolute;bottom:100px}.buttongroup,.van-toast--fail{transform:rotate(90deg)}.el-message--error,.el-message--success{transform:rotate(90deg)!important}.autograph,.empty{width:100px;height:40px;line-height:40px;font-size:1rem;float:left;color:#fff;text-align:center}.empty{background:#ccc}.autograph{background:#178ef0}}@media screen and (orientation:landscape){.buttongroup{right:30px;position:absolute;bottom:20px;transform:rotate(0deg)}.autograph,.empty{width:100px;height:40px;line-height:40px;font-size:1rem;float:left;color:#fff;text-align:center}.empty{background:#ccc}.autograph{background:#178ef0}}.el-message--error,.el-message--success{transform:rotate(90deg)}