body {
	/* https://coolors.co/f06449-ede6e3-7d82b8-36382e-613f75  */
	--background-color: #ede6e3;
	--wall-color: #36382e;
	--joystick-color: #210124;
	--joystick-head-color: #f06449;
	--ball-color: #f06449;
	--end-color: #7d82b8;
	--text-color: #210124;
  
	font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
	background-color: var(--background-color);
  }
  
  html,
  body {
	height: 100%;
	margin: 0;
  }
  
  #center {
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
  }
  
  #game {
	display: grid;
	grid-template-columns: auto 150px;
	grid-template-rows: 1fr auto 1fr;
	gap: 30px;
	perspective: 600px;
  }
  
  #maze {
	position: relative;
	grid-row: 1 / -1;
	grid-column: 1;
	width: 350px;
	height: 315px;
	display: flex;
	justify-content: center;
	align-items: center;
  }
  
  #end {
	width: 65px;
	height: 65px;
	border: 5px dashed var(--end-color);
	border-radius: 50%;
  }
  
  #joystick {
	position: relative;
	background-color: var(--joystick-color);
	border-radius: 50%;
	width: 50px;
	height: 50px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 10px 50px;
	grid-row: 2;
  }
  
  #joystick-head {
	position: relative;
	background-color: var(--joystick-head-color);
	border-radius: 50%;
	width: 20px;
	height: 20px;
	cursor: grab;
  
	animation-name: glow;
	animation-duration: 0.6s;
	animation-iteration-count: infinite;
	animation-direction: alternate;
	animation-timing-function: ease-in-out;
	animation-delay: 4s;
  }
  
  @keyframes glow {
	0% {
	  transform: scale(1);
	}
	100% {
	  transform: scale(1.2);
	}
  }
  
  .joystick-arrow:nth-of-type(1) {
	position: absolute;
	bottom: 55px;
  
	width: 0;
	height: 0;
	border-left: 10px solid transparent;
	border-right: 10px solid transparent;
  
	border-bottom: 10px solid var(--joystick-color);
  }
  
  .joystick-arrow:nth-of-type(2) {
	position: absolute;
	top: 55px;
  
	width: 0;
	height: 0;
	border-left: 10px solid transparent;
	border-right: 10px solid transparent;
  
	border-top: 10px solid var(--joystick-color);
  }
  
  .joystick-arrow:nth-of-type(3) {
	position: absolute;
	left: 55px;
  
	width: 0;
	height: 0;
	border-top: 10px solid transparent;
	border-bottom: 10px solid transparent;
  
	border-left: 10px solid var(--joystick-color);
  }
  
  .joystick-arrow:nth-of-type(4) {
	position: absolute;
	right: 55px;
  
	width: 0;
	height: 0;
	border-top: 10px solid transparent;
	border-bottom: 10px solid transparent;
  
	border-right: 10px solid var(--joystick-color);
  }
  
  #note {
	grid-row: 3;
	grid-column: 2;
	text-align: center;
	font-size: 0.8em;
	color: var(--text-color);
	transition: opacity 2s;
  }
  
  a:visited {
	color: inherit;
  }
  
  .ball {
	position: absolute;
	margin-top: -5px;
	margin-left: -5px;
	border-radius: 50%;
	background-color: var(--ball-color);
	width: 10px;
	height: 10px;
  }
  
  .wall {
	position: absolute;
	background-color: var(--wall-color);
	transform-origin: top center;
	margin-left: -5px;
  }
  
  .wall::before,
  .wall::after {
	display: block;
	content: "";
	width: 10px;
	height: 10px;
	background-color: inherit;
	border-radius: 50%;
	position: absolute;
  }
  
  .wall::before {
	top: -5px;
  }
  
  .wall::after {
	bottom: -5px;
  }
  
  .black-hole {
	position: absolute;
	margin-top: -9px;
	margin-left: -9px;
	border-radius: 50%;
	background-color: black;
	width: 18px;
	height: 18px;
  }
  
  #youtube,
  #youtube-card {
	display: none;
  }
  
  @media (min-height: 425px) {
	/** Youtube logo by https://codepen.io/alvaromontoro */
	#youtube {
	  z-index: 2;
	  display: block;
	  width: 100px;
	  height: 70px;
	  position: absolute;
	  bottom: 20px;
	  right: 20px;
	  background: red;
	  border-radius: 50% / 11%;
	  transform: scale(0.8);
	  transition: transform 0.5s;
	}
  
	#youtube:hover,
	#youtube:focus {
	  transform: scale(0.9);
	}
  
	#youtube::before {
	  content: "";
	  display: block;
	  position: absolute;
	  top: 7.5%;
	  left: -6%;
	  width: 112%;
	  height: 85%;
	  background: red;
	  border-radius: 9% / 50%;
	}
  
	#youtube::after {
	  content: "";
	  display: block;
	  position: absolute;
	  top: 20px;
	  left: 40px;
	  width: 45px;
	  height: 30px;
	  border: 15px solid transparent;
	  box-sizing: border-box;
	  border-left: 30px solid white;
	}
  
	#youtube span {
	  font-size: 0;
	  position: absolute;
	  width: 0;
	  height: 0;
	  overflow: hidden;
	}
  
	#youtube:hover + #youtube-card {
	  display: block;
	  position: absolute;
	  bottom: 12px;
	  right: 10px;
	  padding: 25px 130px 25px 25px;
	  width: 300px;
	  background-color: white;
	}
  }