* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	/* background: #222; */
	background-image: url("wall1.jpg");
	background-repeat: no-repeat;
	background-size: cover;
}

body.on {
	/* background: radial-gradient(#555, #111); */
	background-image: url("wall.jpg");
	background-repeat: no-repeat;
	background-size: cover;
}

.bulb {
	position: relative;
	width: 80px;
	height: 80px;
	background: #444;
	border-radius: 50%;
	z-index: 2;
}

body.on .bulb {
	background: #fff;
	box-shadow: 0 0 50px #fff, 0 0 100px #fff, 0 0 150px #fff, 0 0 200px #fff, 0 0 250px #fff, 0 0 300px #fff, 0 0 350px #fff;
}

.bulb::before {
	content: "";
	position: absolute;
	top: -50px;
	left: 22.5px;
	width: 35px;
	height: 80px;
	background: #444;
	border-top: 30px solid #000;
	border-radius: 10px;
}

body.on .bulb::before {
	background: #fff;
}

body.on .bulb::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 120px;
	height: 120px;
	background: #fff;
	border-radius: 50%;
	filter: blur(40px);
}

.bulb span:nth-child(1) {
	position: absolute;
	top: -16px;
	left: -4px;
	display: block;
	width: 30px;
	height: 30px;
	background: transparent;
	transform: rotate(342deg);
	border-bottom-right-radius: 40px;
	box-shadow: 20px 20px 0 10px #444;
}

body.on .bulb span:nth-child(1) {
	box-shadow: 20px 20px 0 10px #fff;
}

.bulb span:nth-child(2) {
	position: absolute;
	top: -16px;
	right: -4px;
	display: block;
	width: 30px;
	height: 30px;
	background: transparent;
	transform: rotate(17deg);
	border-bottom-left-radius: 40px;
	box-shadow: -20px 20px 0 10px #444;
}

body.on .bulb span:nth-child(2) {
	box-shadow: -20px 20px 0 10px #fff;
}

.wire {
	position: absolute;
	left: calc(50% - 2px);
	bottom: 50%;
	width: 4px;
	height: 60vh;
	background: #000;
	z-index: 1;
}

.switch {
	position: absolute;
	bottom: 50px;
	right: 50px;
	width: 80px;
	height: 80px;
	background: linear-gradient(#eee, #ccc, #eee);
	border: 3px solid #000;
	border-radius: 10px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.switch .btn {
	position: relative;
	width: 25px;
	height: 40px;
	background: linear-gradient(#777, #fff, #777);
	border-radius: 6px;
	border: 2px solid #000;
	cursor: pointer;
}

.switch .btn::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 85%;
	background: linear-gradient(#fff, #fff);
	border-radius: 4px;
}

.on .switch .btn::before {
	top: 15%;
}

#audio {
	display: none;
}