Problemilla con CSS

[bootexe]

Cambia

Código:

body {
margin: 0;
padding: 0;
background: #314D6B url(images/img01.jpg) no-repeat center top;
font-family: Arial, Helvetica, sans-serif;
font-size: 13px;
color: #A0A0A0;
}

por:

Código:

body {
margin: 0;
padding: 0;
background-color: #314D6B;
font-family: Arial, Helvetica, sans-serif;
font-size: 13px;
color: #A0A0A0;
}