#cameraArea{overflow:hidden;margin:auto;position:relative;display:flex;align-items:center}#cameraArea,#cameraArea canvas,#cameraArea video{width:320px;height:240px}button{width:100px;height:40px;background-color:#fff;border:1px solid #333;margin-top:30px}.resultImg{width:100%}.resultCode{font-size:24px;font-weight:700;text-align:center}.getMessage{color:red}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:60px}