html {
	background-color: red;
	color: green;
}
body {
	font-family: "sans-serif";
}

main {
	margin: 2em auto;
	max-width: 600px;
	padding: 1.5em;
	border-image: url("rand-klein.png") 70 65 / 80px / 30px round;
	border-style: solid;
	background-color: cyan;
}

button {
	border: 10px outset green;
	background-color: green;
	color: white;
	font-size: 1.5em;
	text-transform: uppercase;
	font-weight: bold;
	width: 100%;
}

img {
	width: 100%;
}

p {
	font-weight: bold;
}

button:disabled {
	background-color: darkgreen;
	border-style: groove;
	color: red;
	cursor: wait;
}

button:active, button:active:not(:disabled) {
	border-style: inset;
}