#space-invaders {
	position: absolute;
    top: 134px;
    left: 51px;
    width: 309px;
}
#space-invaders-canvas {
	width: 309px;
	height: 295px;
}
.instrucciones-space-invaders {
	font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
	background: #262b33;
	border: 2px solid #333;
	color: white;
	padding: 0.5em 1em;
	white-space: nowrap;
	text-align: center;
	width: 24em;
	margin: 0 auto;
	position: relative;
	font-size: 10pt;
	top: 129px;
    left: -6px;
}
.instrucciones-space-invaders b { 
	color: white; 
}