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

body {
	height: 100vh;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background:radial-gradient(black 15%, transparent 16%) 0 0,
	radial-gradient(black 15%, transparent 16%) 8px 8px,
	radial-gradient(rgba(255, 255, 255, .1) 15%, transparent 20%) 0 1px,
	radial-gradient(rgba(255, 255, 255, .1) 15%, transparent 20%) 8px 9px;
	background-color:#333;
background-size:16px 16px;

}

.noselect {
  -webkit-touch-callout: none;
    -webkit-user-select: none;
     -khtml-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
		-webkit-tap-highlight-color: transparent;
}

button {
	width: 225px;
	height: 75px;
	cursor: pointer;
	background: #333;
	margin: 10px;
	border: none;
	border-radius: 10px;
	box-shadow: -5px -5px 15px #444, 5px 5px 15px #222, inset 5px 5px 10px #444, inset -5px -5px 10px #222;
	color: #222;
	font-size: 24px;
}

button:hover {
	box-shadow: -5px -5px 15px #444, 5px 5px 15px #222, inset 5px 5px 10px #222, inset -5px -5px 10px #444;
	font-size: 21px;
	transition: 500ms;
}

button:focus {
	outline: none;
}

.red:hover {
	color: #cccc00;
	text-shadow: 0px 0px 10px #cccc00;
}

.green:hover {
		color: #cccc00;
	text-shadow: 0px 0px 10px #cccc00;
}

.blue:hover {
	color: #cccc00;
	text-shadow: 0px 0px 10px #cccc00;
}

.purple:hover {
	color: #b611e9;
	text-shadow: 0px 0px 10px #b611e9;
}