main {
	max-width: 100%;
}

section {
	max-width: 80%;
	margin-left: auto;
	margin-right:auto;
}

header img { max-width: 20%; }

article { min-height: 300px; }

article h3 { margin-bottom: 0; }

.sidemenu {
	max-width: 10%;
}
.sidemenu img {
	width: 75%;
	height: 75%;
}