body div.section_a div.navigation, body div.section_b div.content, body div.section_ab div.content, body div.section_c div.footer {
width: 900px;
margin-left: auto;
margin-right: auto;
}

body div.section_a div.navigation select {
display:none;
}

html body div.section_b div .onlyBig {
display:inline-block;
}


html body div.section_b div .onlySmall {
display:none;
}