style.css

@import url("https://fonts.googleapis.com/css?family=Fira+Sans:400,400i,700");
#rsw-footer {
	font-family: "Fira Sans", Helvetica, Arial, sans-serif;
	font-size: 10px;
	line-height: 1;
	position: fixed;
	bottom: 0;
	/* left: 0; */
	right: 0;
	text-align: left;
	z-index: 9000;
}
#rsw-footer > #rsw-footer-bg {
	/* Don't have any use for this element right now, but will keep it around. */
	display: none;
	/* Other properties */
	background-image: linear-gradient(to bottom, transparent, transparent);
	width: 100%;
	height: 10%;
	pointer-events: none;
	position: fixed;
	z-index: 1;
}
/* General Toggle buttons */
#rsw-footer > .rsw-toggle {
	appearance: none;
	-moz-appearance: none;
	-webkit-appearance: none;
	background-image: var(--avatar, none);
	background-position: center center;
	background-size: contain;
	border-radius: 50%;
	cursor: pointer;
	display: inline-block;
	float: right;
	margin: .5em;
	padding: 2em;
	position: relative;
	transition:
		transform .25s,
		border .25s
	;
	vertical-align: top;
	z-index: 1;
}
#rsw-footer > .rsw-toggle:hover {
	transform: scale(1.2);
}
#rsw-footer > .rsw-toggle:checked {
	box-shadow: inset 0 0 0 1px #000;
}
#rsw-footer > .rsw-toggle:after {
	content: "";
	position: absolute;
	border-radius: 50%;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: #FFF;
	opacity: 0;
}
#rsw-footer > .rsw-toggle:checked:after { opacity: .5; }

/* Specific toggle buttons */
#rsw-footer > #rsw-toggle-main { --avatar: url("avatar.png"); }
#rsw-footer > #rsw-toggle-main:checked ~ #rsw-menu-main { display: block; }

#rsw-footer > .rsw-menu {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
}
#rsw-footer > .rsw-menu:before {
	content: "";
	background: linear-gradient(135deg, #1A237E, #0288D1);
	display: block;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: -1;
	opacity: .75;
}
#rsw-footer > .rsw-menu .rsw-separator {
	border: none;
	border-top: 1px solid rgba(255, 255, 255, .1);
}
#rsw-footer > .rsw-menu .rsw-link {
	background-color: rgba(0, 0, 0, .5);
	margin: 1em;
	position: relative;
	text-shadow: .1em .1em 0 #263238;
	transition: background-color .1s;
}
#rsw-footer > .rsw-menu .rsw-link:hover {
	background-color: rgba(32, 32, 32, .5);
}
#rsw-footer > .rsw-menu [data-powered] {
	background-image: linear-gradient(to right, rgba(255, 128, 0, .1), transparent);
	border-left: 4px solid rgba(255, 128, 0, .5);
}
#rsw-footer > .rsw-menu [data-series] {
	background-image: linear-gradient(to right, rgba(0, 255, 128, .1), transparent);
	border-left: 4px solid rgba(0, 255, 128, .5);
}
#rsw-footer > .rsw-menu .rsw-link a {
	color: #B3E5FC;
	display: block;
	font-size: 1.6em;
	font-weight: bold;
	padding: 8px;
	text-decoration: none;
}
#rsw-footer > .rsw-menu .rsw-link a > span > span { font-weight: normal; }
#rsw-footer > .rsw-menu .rsw-link p {
	color: #FAFAFA;
	font-size: 1.4em;
	margin: 0;
	padding: 8px;
}
#rsw-footer > .rsw-menu .rsw-link p:empty { display: none; }
#rsw-footer > .rsw-menu > .rsw-menu-inner {
	overflow-x: hidden;
	overflow-y: auto;
	margin: 0 auto;
	max-height: 100%;
	max-width: 960px;
}