body {
margin:0px;
background-color: #000000;
color: #ffffff;
font-family: Verdana, Helvetica, Arial, sans-serif; 
}

.header {
padding: 0px;
text-align: right;
background-color: #669999;
margin-top: 0em;
margin-left: 0px;
margin-right: 0px;
margin-bottom: 30px; 
height:116px;
}

.content {
width: 600px;
margin-top: 30px;
margin-left:70px;
margin-right:auto;
margin-bottom: 20px;
text-align: center; 
}

.content img {
margin-bottom: 30px;
}

#next {
margin-right:50px;
margin-top:20px;
float:right;
}

#prev {
margin-top: 20px;
margin-left: 50px;
float:left;
}