#skipbutton{
height:100px;
width:600px;
margin-top:100px;
background-image:url(../introbottom1.png);
background-repeat:no-repeat;
}

#skipbutton:hover{
{
height:100px;
width:600px;
margin-top:19px;
background-image:url(../introbottom2.png);
background-repeat:no-repeat;
}