. {
	margin: 0;
	padding: 0;
}
.red {
	background-color: red;

}
.orange {
	background-color: orange;
}
.yellow {
	background-color: yellow;
}
.green {
	background-color: green;
}
.blue {
	background-color: blue;
}
.purple {
	background-color: purple;
}

body {
	text-align: center;
}

h1 {
	margin-top: 10vh;
}
h2 {
	margin-bottom: 10vh;
}
li{
	margin-bottom: 2vh;
}

input {
	display: block;
	margin: auto;
	padding: 0.5vh;
	color: black;
	font-weight: bold;
	border: 3px solid black;
	background-color: white;
}

input:hover {
	color: gray;
	border: 3px solid gray;
	background-color: black;
}

input:focus {
	background-color: yellow;
}