.wrapper
{
background-image: url(../pics/3.jpg); 
background-color: #3399FF;
width: 1200px;
height: 800px;
margin: 0 auto;
}
.forward
{
margin: -50px 0px 0px 1250px;
width: 31px;
height: 33px;
}
.back
{
margin: -36px 0px 0px 1218px;
width: 31px;
height: 33px;
}