html { -ms-touch-action: none; } body, canvas, div { display: block; outline: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); user-select: none; -moz-user-select: none; -webkit-user-select: none; -ms-user-select: none; -khtml-user-select: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); } /* Remove spin of input type number */ input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { /* display: none; <- Crashes Chrome on hover */ -webkit-appearance: none; margin: 0; /* <-- Apparently some margin are still there even though it's hidden */ } body { position: absolute; top: 0; left: 0; width: 100%; height: 100%; padding: 0; border: 0; margin: 0; cursor: default; color: #888; background-color: #333; text-align: center; font-family: Helvetica, Verdana, Arial, sans-serif; display: flex; flex-direction: column; } canvas { background-color: rgba(0, 0, 0, 0); } #GameDiv, #Cocos3dGameContainer, #GameCanvas { width: 100%; height: 100%; } :root { --safe-top: env(safe-area-inset-top); --safe-right: env(safe-area-inset-right); --safe-bottom: env(safe-area-inset-bottom); --safe-left: env(safe-area-inset-left); }