h1 {
	color: black;
	text-align: center;
	text-decoration: underline;
	font-size: 40px;
	position: relative ;
	top: 50px;	
}

h2 {
	color: black;
	text-align: center;
	margin-top: px;
	font-size: 30px;
	top: 120px;
}

div {
	width: auto;
	height: auto;
	margin-top: 150px;
	background-color: #00bf72;
	border-radius: 12px;
	padding: 2px;
	border: 1px solid white;
	box-shadow: 0px 2px 10px white;
	font-family: serif;
	font-weight: bold;
}

button {
	color: black;
	background-color: #00bf72;
	font-size: 24px;
	border-radius: 12px;
	border: 1px solid white;
	transition-duration: 0.8s;
	box-shadow: 0px 2px 10px white;
	font-family: serif;
	font-weight: bold;
	width: 220px;
	height: 60px;
}

button:hover {
	background-color: white;
	color: black;
	box-shadow: 0px 2px 10px black;
	cursor: pointer;
}

article {
	display: flex;
	justify-content: space-around;
	margin-top: 140px;
}

html {
	background-image: linear-gradient(to right top, #051937, #004d7a, #008793, #00bf72, #a8eb12);
	background-repeat: no-repeat;
	height: auto;
	min-height: 100%;
}

/* responsive */

@media screen and (min-width: 501px) and (max-width: 1024px) {

	article {
		display: grid ;
		justify-content: center;
		margin-top: 40px;
		grid-template-columns: 200px 200px;
		grid-gap: 50px;
	}

	div {
		margin-top: 30px;
	}

	h1 { 
		top: 0px;
	}

}

@media screen and (max-width: 500px) {

	article {
		display: grid ;
		justify-content: center;
		margin-top: 40px;
		grid-gap: 50px;
	}
}