x3d {
	width:'100%';
	height:'90%';
	border:'10px';
}

h1 {
	margin-left: 20px
}

#controls {
	margin-left: 30px;
}
#question_mark {
	display: inline-block;
  position: absolute;
	font-size: 120px;
	margin-left: 30px;
	padding-top: 10px;
}
/* div {
	border: solid;
} */