@media screen and (max-device-width: 640px) {
	/* todo max-device-width */
	.container {
		width: 100%;
	}
	#menu {
		position: relative;
		text-align: center;
	}
	#menu ul {
		border-bottom: 1px solid #ccd0d2;
		width: 80%;
		margin: 0 auto;
		padding-bottom: 16px;
	}
	#menu ul li {
		display: inline-block;
		margin: 8px;
		font-size: 48px;
	}
	.head img.small {
		width: 100%;
	}
	.desc {
		font-size: 22px;
		width: 90%;
	}
	#contributors .desc {
		width: 60%;
		font-size: 1.6em;
	}
}