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HTML

            
              <div class="system-container" id="gbasp">
	<div class="screen-body">
		<div class="screen-bumper" id="bumper-ul"></div>
			<div class="screen-bumper" id="bumper-ur"></div>
			<div class="screen-bumper small-bumper" id="bumper-tm"></div>
			<div class="screen-bumper small-bumper" id="bumper-ll"></div>
			<div class="screen-bumper small-bumper" id="bumper-lr"></div>
			<div class="screen-border">
				<div class="screen"><iframe width="560" height="315" src="https://www.youtube.com/embed/YFKusOerZDA?autoplay=0" frameborder="0"></iframe></div>
				<img src="https://upload.wikimedia.org/wikipedia/commons/0/0d/Gameboy_advance_SP_logo.svg">
				</div>
	</div>
	<div class="swivel"> </div>
	
	<div class="gamepad-body">
	
		<div class="power-light"></div>
		<div class="power-light"></div>

		
			<div class="pad-container dpad-container">
				<div class="d-pad"></div>
			</div>
				
			<div class="pad-container buttons-container"> 
				<div class="b-button">
					<span class="letter">B</span>
				</div>
				
				<a href="#"><div class="a-button">
					<span class="letter">A</span>
				</div></a>
				
			</div>
				
			<div class="pad-container power-container">
				<a href="#"><div class="b-button power-button"> 
					</div></a>
			</div>
				<div class="speaker-holder">
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot large-dot"></div>
					<div class="dot large-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot large-dot"></div>
					<div class="dot large-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
					<div class="dot small-dot"></div>
		</div>
			
		
		<div class="pad-container select-container">
			<div class="a-button select-button"> </div>
			</div>

		<div class="pad-container start-container">
				<div class="a-button start-button"> 
			</div>
			</div>
		
		<div class="select-label">SELECT</div>
		<div class="select-label">SELECT</div>

		<div class="start-label">START</div>
		<div class="start-label">START</div>
<This is not a valid tag>

	</div>
</div>
            
          
!

CSS

            
              /* Adjust this to change the size of the whole pen */
$everything: 2vw;

$cobalt: #2222ff;
$darkgrey: #333;
$lightgrey: #777788;

html {
	font-size: $everything;
}

body {
	margin: 0;
	padding: 0;
	background: #ffffff;
	background: -moz-linear-gradient(top, #ffffff 0%, #C9C9C9 100%);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffff), color-stop(100%,#e5e5e5));
	background: -webkit-linear-gradient(top, #ffffff 0%,#C9C9C9 100%); 
	background: -o-linear-gradient(top, #ffffff 0%,#C9C9C9 100%);
	background: -ms-linear-gradient(top, #ffffff 0%,#C9C9C9 100%);
	background: linear-gradient(to bottom, #ffffff 0%,#C9C9C9 100%);
	height: 100vh;
	width: 100%;
	display: flex;
	justify-content: center;
	align-items: center;

	.system-container#gbasp {
		width: 40.0rem;
		height: 73.0rem;
		margin: 2.0rem auto;
		z-index: 0;

		.screen-body {
				background-color: $cobalt;
				background: linear-gradient(10deg, lighten($cobalt, 5%), $cobalt, darken($cobalt, 15%));
				width: 40.0rem;
				height: 34.0rem;
				border-radius: 2.4rem;
				position: relative;
				padding: 2.0rem;
				box-sizing: border-box;
				border: .3rem solid darken($cobalt, 15%);
				border-right-color: lighten($cobalt, 20%);
				border-top-color: lighten($cobalt, 10%);
				&:before {
				content: '';
				width: 18.0rem;
				height: .8rem;
				background-color: $cobalt;
				position: absolute;
				bottom: -.8rem;
				z-index: -1;
				left: 2.0rem;
				border-right: .2rem solid lighten($cobalt, 20%);	
				-webkit-box-shadow: inset .0rem .6rem .5rem .0rem rgba(0,0,0,0.75);
				-moz-box-shadow: inset .0rem .6rem .5rem .0rem rgba(0,0,0,0.75);
				box-shadow: inset .0rem .6rem .5rem .0rem rgba(0,0,0,0.75);
				}
				&:after {
				content: '';
				width: 3.2rem;
				height: .8rem;
				background-color: $cobalt;
				position: absolute;
				bottom: -.8rem;
				z-index: -1;
				left: 32.0rem;
				border-right: .2rem solid lighten($cobalt, 20%);
				-webkit-box-shadow: inset .0rem .6rem .5rem .0rem rgba(0,0,0,0.75);
				-moz-box-shadow: inset .0rem .6rem .5rem .0rem rgba(0,0,0,0.75);
				box-shadow: inset .0rem .6rem .5rem .0rem rgba(0,0,0,0.75);
				}
		}
		.screen-border {
				background-color: $darkgrey;
				width: 100%;
				margin: 1.6rem auto;
				height: 26.8rem;
				box-sizing: border-box;
				border: .4rem solid lighten($cobalt, 30%);
				border-radius: .8rem;
				border-top-color: darken($cobalt, 25%);
				border-right-color: darken($cobalt, 15%);
				border-bottom-color: lighten($cobalt, 20%);
				img {
					position: absolute;
					left: 11.2rem;
					bottom: 4rem;
					opacity: .7;
					width: 17.5rem;
				}
		}
				.screen {
					background-color: $lightgrey;
					margin: 2.0rem auto;
					width: 90%;
					height: 21.0rem;
					iframe {
						width: 100%;
						height: 21.0rem;
					}
				}

		.screen-bumper {
		border-radius: 100%;
		width: 2.2rem;
		height: 2.2rem;
		position: absolute;
		background: radial-gradient(circle at top left, lighten($cobalt, 10%), darken($cobalt, 20%));
			border: .2rem solid darken($cobalt, 20%);
		}

		#bumper-ul {
			left: 1.0rem;
			top: .6rem;
		}

		#bumper-ur {
			right: 1.0rem;
			top: .6rem;
		}

		#bumper-ll {
			left: 1.2rem;
			bottom: .4rem
		}

		#bumper-lr {
			right: 1.2rem;
			bottom: .4rem
		}

		#bumper-tm {
			left: calc(50% - 1.0rem);
			top: .8rem;
		}

		.small-bumper {
			width: 1.6rem;
			height: 1.6rem;
			background: radial-gradient(circle at bottom left, $cobalt, darken($cobalt, 20%));
			border-width: .1rem;
			border-left-color: lighten($cobalt, 5%);
			border-bottom-color: lighten($cobalt, 5%);
		}

		.swivel {
			width: 100%;
			border-radius: 1.6rem;
			height: 4.8rem;
			background-color: $cobalt;
			position: relative;
			top: .4rem;
			-webkit-box-shadow: inset .0rem -2.0rem .8rem .0rem rgba(0,0,0,.4);
			-moz-box-shadow: inset .0rem -2.0rem .8rem .0rem rgba(0,0,0,.4);
			box-shadow: inset .0rem -2.0rem .8rem .0rem rgba(0,0,0,.4);
			border-top: .2rem solid lighten($cobalt, 5%);
					&:before {
				content: '';
				width: 18.0rem;
				height: 4.5rem;
				position: absolute;
				bottom: -2.0rem;
				z-index: 1;
				left: 2.2rem;
				top: .0rem;
				border-right: .2rem solid lighten($cobalt, 20%);	
				border-left: .2rem solid darken($cobalt, 25%);
				border-bottom: .3rem solid darken($cobalt, 50%);
				-webkit-box-shadow: inset .0rem 1.0rem .5rem .0rem rgba(255,255,255,.2);
				-moz-box-shadow: inset .0rem 1.0rem .5rem .0rem rgba(255,255,255,.2);
				box-shadow: inset .0rem 1.0rem .5rem .0rem rgba(255,255,255,.2);
				}
				&:after {
				content: '';
				width: 3.2rem;
				height: 4.5rem;
				position: absolute;
				bottom: -2.0rem;
				z-index: 1;
				left: 32.2rem;
					top: .0rem;
				border-right: .2rem solid lighten($cobalt, 20%);
				border-left: .2rem solid darken($cobalt, 20%);
				border-bottom: .3rem solid darken($cobalt, 50%);
				-webkit-box-shadow: inset .0rem 1.0rem .5rem .0rem rgba(255,255,255,.2);
				-moz-box-shadow: inset .0rem 1.0rem .5rem .0rem rgba(255,255,255,.2);
				box-shadow: inset .0rem 1.0rem .5rem .0rem rgba(255,255,255,.2);
				}
		}

		.gamepad-body {
				background-color: $cobalt;
				background: linear-gradient(10deg, lighten($cobalt, 5%), $cobalt, darken($cobalt, 15%));
				width: 40.0rem;
				height: 36.0rem;
				border-radius: 2.4rem;
				position: relative;
				padding: 2.0rem;
				box-sizing: border-box;
				border: .3rem solid darken($cobalt, 15%);
				border-right-color: lighten($cobalt, 20%);
				border-top-color: lighten($cobalt, 10%);
				z-index: -1;
				top: -2.8rem;
		}

		.pad-container {
			width: 11.0rem;
			height: 11.0rem;
			border: none;
			border-radius: 100%;
			position: absolute;
			left: 2.0rem;
			top: 10.0rem;
			&:before {
				content: '';
				z-index: 0;
				top: .4rem;
				left: .4rem;
				height: inherit;
				width: inherit;
				background: $cobalt;
				position: absolute;
				border-radius: inherit;
			}
			&:after {
				content: '';
				position: absolute;
				z-index: -1;
				top: -.4rem;
				left: -.4rem;
				width: inherit;
				height: inherit;
				background: linear-gradient(to right, lighten($cobalt, 10%), darken($cobalt, 30%));
				border-radius: inherit;
			}
		}
		
		.dpad-container {
				border: none;
				background: $cobalt;
				z-index: 99;
				&:before {
					width: 11.8rem;
					height: 11.8rem;
					border-radius: 100%;
					background: linear-gradient(to right, lighten($cobalt, 10%), darken($cobalt, 30%));
					content: '';
					position: absolute;
					top: -.4rem;
					left: -.4rem;
					z-index: -1;
				}
				&:after {
					width: 10.2rem;
					height: 10.2rem;
					border-radius: 100%;
					background: $cobalt;
					content: '';
					position: absolute;
					top: .4rem;
					left: .4rem;
					z-index: -1;
				}
		}

		.d-pad {
			width: 2.8rem;
			height: 8.4rem;
			background-color: $darkgrey;
			position: relative;
			margin: 1.2rem auto;
			box-sizing: border-box;
			border: .2rem solid darken($darkgrey, 20%);
			border-top: .2rem solid lighten($darkgrey, 20%);
			border-right: .2rem solid lighten($darkgrey, 20%);
			&:before {
				width: 3.1rem;
				height: 2.8rem;
				position: absolute;
				content: '';
				background-color: $darkgrey;
				left: -3.1rem;
				top: 2.6rem;
				border-bottom: .2rem solid darken($darkgrey, 20%);
				border-left: .2rem solid darken($darkgrey, 20%);
				border-top: .2rem solid lighten($darkgrey, 20%);
				box-sizing: border-box;
			}
			&:after {
				width: 3.1rem;
				height: 2.8rem;
				position: absolute;
				content: '';
				background-color: $darkgrey;
				left: 2.3rem;
				top: 2.6rem;
				border-top: .2rem solid lighten($darkgrey, 20%);
				border-right: .2rem solid lighten($darkgrey, 20%);
				border-bottom: .2rem solid darken($darkgrey, 20%);
				box-sizing: border-box;
			}
		}

		.buttons-container {
			width: 12.4rem;
			height: 5.1rem;
			border: .8rem solid darken($cobalt, 20%);
			border: none!important;
			background: yellow;
			border-radius: 11.0rem;
			position: relative;
			left: 20.8rem;
			top: 10.4rem;
			border-top-color: darken($cobalt, 30%);
			border-left-color: lighten($cobalt, 10%);
			border-bottom-color: lighten($cobalt, 5%);
			transform: rotate(-12deg);
			z-index: 1;
			&:before {
				width: inherit;
				height: inherit;
				background: $cobalt;
				top: 0rem;
				left: 0rem;
				position: absolute;
				content: '';
				border-radius: 11rem;
				z-index: 0;
			}
			&:after {
				content: '';
				position: absolute;
				left: -.8rem;
				top: -.8rem;
				border-radius: 11.0rem;
				width: 14rem;
				height: 6.7rem;
				background: linear-gradient(to right, lighten($cobalt, 10%), darken($cobalt, 30%));
				z-index: -1;
			}
			.letter {
				display: block;
				position: absolute;
				z-index: 200;
				top: .05em;
				left: calc(50% - .3em);
			}
		}

		.b-button, .a-button {
			font-family: Arial, Helvetica, sans-serif;
			font-weight: 700;
			line-height: 4.0rem;
			font-size: 2.2rem;
			color: lighten($darkgrey, 5%);
			transform: rotate(12deg);
			text-align: center;
			width: 4.0rem;
			height: 4.0rem;
			background-color: $darkgrey;
			border-radius: 100%;
			position: absolute;
			left: .8rem;
			top: .5rem;
			box-sizing: border-box;
			border: none;
			&:before {
				width: inherit;
				height: inherit;
				border-radius: inherit;
				content: '';
				position: absolute;
				background: yellow;
				left: -0rem;
				top: -0rem;
				background: linear-gradient(to right, lighten($darkgrey, 10%), darken($darkgrey, 5%));
				z-index: -1;
			}
			&:after {
				width: 3.6rem;
				height: 3.6rem;
				background: $darkgrey;
				content: '';
				position: absolute;
				left: .2rem;
				top: .2rem;
				border-radius: inherit;
				z-index: 0;
			}
		}

		.a-button {
			left: 7.6rem;
		}

		.power-container {
			width: 2.0rem;
			height: 2.0rem;
			position: absolute;
			left: 18.0rem;
			top: 5.2rem;
			border-width: .5rem;
			&:after {
				width: 3.8rem;
				height: 3.8rem;
			}
			&:before {
				left: 0.5rem;
				top: 0.5rem;
			}
		}

		.power-button {
			width: 2.1rem;
			height: 2.1rem;
			position: absolute;
			left: calc(50% - 0.5rem);
			top: calc(50% - 0.5rem);
			color: #fff;
			&:after {
				width: 1.6rem;
				height: 1.6rem;
				left: .2rem;
				top: .2rem;
			}
		}

		.speaker-holder {
			width: 8.0rem;
			height: 8.0rem;
			position: absolute;
			top: 20.0rem;
			left: 15.0rem;
			display: flex;
			justify-content: space-between;
			flex-wrap: wrap;
			align-items: center;
		}

		.dot {
			width: .3rem;
			height: .3rem;
			background-color: #000;
			margin: .8rem;
			border-radius: 100%;
		}

		.large-dot {
			width: .5rem;
			height: .5rem;
			border-radius: .5rem;
		}

		.select-container, .start-container {
			width: 2.2rem;
			height: 2.2rem;
			position: absolute;
			left: 14.6rem;
			top: 30.0rem;
			&:after {
				width: 3.8rem;
				height: 3.8rem;
			}
		}

		.start-container {
			left: 19.8rem;
		}

		.select-button, .start-button {
			position: absolute;
			height: 1.8rem;
			width: 1.8rem;
			left: calc(50% - 0.45rem);
			top: calc(50% - 0.45rem);
			&:after {
				height: 1.4rem;
				width: 1.4rem;
				top: .2rem;
				left: .2rem;
			}
		}

		.a-button:active {
		background-color: lighten($darkgrey, 40%);
		}

		.select-label, .start-label {
			position: absolute;
			font-family: Impact, Charcoal, sans-serif;
			font-size: 1.2rem;
			left: 14.8rem;
			bottom: 5.6rem;
			color: darken($cobalt, 15%);
			z-index: 2;
		}

		.start-label {
			left: 20.2rem;
		}

		.start-label + .start-label {
			left: 20.1rem;
			bottom: 5.7rem;
			color: lighten($cobalt, 10%);
			z-index: 1;

		}

		.select-label + .select-label{
			color: lighten($cobalt, 10%);
			left: 14.7rem;
			bottom: 5.7rem;
			z-index: 1;
		}

		.power-light {
			position: absolute;
			width: 1.4rem;
			height: 1.2rem;
			background-color: $darkgrey;
			right: -.4rem;
			top: 5.0rem;
		}

		.power-light + .power-light {
		top: 8.0rem;
		}
	}

}

@media (min-width: 480px){
	html {
		font-size: 1.5vw;
	}
}

@media (min-width: 600px){
	html {
		font-size: 1.2vw;
	}
}

@media (min-width: 720px){
	html {
		font-size: .8vw;
	}
}

@media (min-width: 1080px){
	html {
		font-size: .5vw;
	}
}
	
@media (min-width: 1600px){
	html {
		font-size: .35vw;
	}
}
            
          
!

JS

            
              const powerBtn = document.querySelector('.power-button');
const powerLight = document.querySelector('.power-light');
const screen = document.querySelector('iframe');

screen.style.display = 'none';

powerBtn.addEventListener('click', () => {
	if(screen.style.display == 'none'){
		screen.style.display = 'block';
		powerLight.style.background = '#ffb800';
		powerLight.style.boxShadow = '0px 0px 16px #ffb800';
		setTimeout(()=>{
			document.querySelector('iframe').click();
		}, 1000)
	} else {
		screen.style.display = 'none';
		powerLight.style.background = '#333';
		powerLight.style.boxShadow = 'none';
	}
});
            
          
!
999px

Console