body{font-family:Arial,Helvetica,sans-serif}canvas{position:fixed;top:0;left:0}.box{display:flex;align-items:center;justify-content:center;flex-direction:column;height:50vh;color:#fff}.box div{text-align:center}p{font-size:12px}@media only screen and (min-device-width: 667px) and (max-device-width: 1024px) and (-webkit-min-device-pixel-ratio: 1){canvas{display:none}}@media only screen and (min-device-width: 320px) and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2){canvas{display:none}}