style.css

body{
	background-color: black;
	text-transform: uppercase;
	color: white;
	margin: 0px;
	font-family: "Montserrat","Avenir";
}

#container{
	max-width: 600px;
	margin: 20px auto;
}

.square{
	width: 30%;
	padding-top: 30%;
	float: left;
	background-color: pink;
	margin: 1.66%;
	border-radius: 15%;
	transition: background 0.6s;
}

#header{
	text-align: center;
	background-color: steelblue;
	margin: 0px;
	font-weight: normal;
	line-height: 1.1;
}

h3{
	float: left;
}

#menu{
	background-color: white;
	height: 30px;
	text-align: center;
	color: black;
}

.selected{
	background-color: steelblue;
	color: white;
}

#curColor{
	font-size: 200%;
}

button{
	border: none;
	background-color: none;
	height: 100%;
	font-weight: 700;
	color: steelblue;
	letter-spacing: 1px;
	font-size: inherit;
	transition: all 0.5s;
	outline: none;
}

#result{
	display: inline-block;
	width:20%;
}

button:hover{
	color: white;
	background-color: steelblue;
}

#score{
	text-align: center;
}