input { outline: none; padding: 2px 3px; font-size: 1.2em; }
		input[type="button"] { padding: 5px 6px; margin-left: 1em; }
		input[type="text"]:not([id*="rgb"]) { width: calc(1.5em + 30px); }
		input[type="text"] { border: 5px solid gray; }
		input[id*="red"] { border: 5px solid #F00; }
		input[id*="green"] { border: 5px solid #0F0; }
		input[id*="blue"] { border: 5px solid #00F; }
		h2 { font-size: 1.7em; }
		span { font-size: 2em; font-family: consolas; position: relative; top: 0.1em; }


body {
	padding: 20px;
}

#article {
	padding: 10% 10% 0 0;
	}