.alien-img {
	max-width:100%;
	max-height:100%;
}

.bullet {
	height: 25px;
	width: 10px;
	position: absolute;
	background-color: #FF0000;
	top: 0px;
	left: 0px;
}

.alienLaser {
	background-color: #FF0000;
	position: absolute;
	top: 0px;
	left: 0px;
}

.endGame {
	color: #00FF00;
	font-family: "Courier New";
}

#player {
	background-color: #000000;
	height: 50px;
	width: 50px;
	position: absolute;
	bottom: 50px;
	left: 50px;
}

body {
	background-image: url("../assets/background.png"); 
	animation: backgroundScroll 10s linear infinite;
}

.alien {
	position: fixed;
}

#score {
	color: #FFFFFF;
	font-family: "Courier New";
}

#lives {
	color: #FFFFFF;
	font-family: "Courier New";
}

@keyframes backgroundScroll {
    from {background-position: 0 0;}
    to {background-position: 0px -800px;}
}