body{
    background-color: rgb(50, 205, 171);
}
.container {
	margin: auto;
	text-align: center;
	padding: 50px;
	max-width: 800px;
}

h1 {
	font-size: 36px;
	margin-bottom: 20px;
}

button {
	padding: 10px 20px;
	border: solid black 2px;
	background-color: #4CAF50;
	color: #fff;
	font-size: 18px;
	cursor: pointer;
}

#joke {
	margin-top: 30px;
	font-size: 24px;
	font-weight: bold;
}