body {
	background-color: #f4f4f4;
	color: #252525;
	font-family: Monaco, monospace;
}

a:link {
	color: #4466ee
}

a:visited{
	color: #7744ed
}

img {
	display: block;
	height: auto;
	width: 450px;
	margin-left: auto;
	margin-right: auto;
}

header {
	text-align: center;
	margin: 20px;
}

.botones {
	margin: 10px;
}

.card {
	padding: 10px 25px;
	margin: 20px auto;
	width: 50%;
}

footer {
	margin-top: auto;
}