#content {

margin: 10px auto 5px auto;
font-size:90%;
width: 600px;
color: #333;
border: 4px solid #ccc;
padding: 10px 15px 0 15px;
background: #F5F5F5;
}

img {border: 0;}

a, a:link, a:visited {
border: 0;}

#enlargement {

width: 600px;
text-align: center;
margin-left: auto;
margin-right: auto;
  }
  
#content #enlargement img {margin-bottom: 5px;}