@media (max-width: 40.5em) {

	header #nav {
		font-size:2.5em;
		margin: -0.4em -0.4em 0.4em; /* 1 / 2.5em */
		padding: 0.4em;
		background:#CCC;
	}
	
	header #nav #btn_settings {
		padding: 0.25em 0.25em 0 0;
	}
	
	#ugc_days {
		display:none;
	}
	
	#buffer {
		width: 6em;
		height: 6em;
	}
	#buffer .fa {
		font-size:6em;
	}

}