body {
    background-color: black;
}

#gameBack1
{
	position:absolute;
	top:0;
	left:0;
	width:100%;
	height:100%;
}

#spiderone, #spidertwo, #spiderfour{
    width:20%;
    opacity: 0.9;
    position:absolute;
    display:none;
    top: 40%;
    cursor: pointer;
}

#spiderone:hover, #spidertwo:hover, #spiderfour:hover{
    opacity: 1;
}

#spiderone {
    left:10%;
}

#spidertwo{
    left:40%;
}

#spiderfour{
    right:10%;
}