style.css

body{
	height: 100vh;
	width: 100%;
	display:flex;
	justify-content: center;
	align-items: center;
	padding: 0;
	margin: 0;
	font-family: 'DotGothic16', sans-serif;
	background-color: #CCC;
}

#main-play-area {
	background-color: black;
	background-image: url(img/space.png);
	height: 600px;
	width: 600px;
}

.player-shooter {
	position: relative;
	height: 60px;
	width: 70px;
	left: 20px;
	top: 250px;
}

.laser {
	position: relative;
	width: 40px;
	height: 30px;
}

.alien{
	height: 60px;
	width: 70px;
	position: relative;
}

.alien-transition {
	opacity: 1;
	transition: opacity 1.5s ease-in-out;
}

.dead-alien{
	height: 60px;
	width: 70px;
	position: relative;
	opacity: 0;
}

.game-instructions{
	position: relative;
	color: white;
	left: 3.5rem;
	top: 0px;
}

.star-button{
	position: relative
	color: white;
	top: 9rem;
	left: 15rem;
	cursor: pointer;
}

#button1{
	background-color: #008CBA;
	border-radius: 4px;
	font-size: 20px;
	position: relative;
	color: white;
	top: 0;
	left: 3rem;

}