body
{
margin: 0px;
padding: 0px;
background-color: #256F9A;
font-family: Verdana, serif, Helvetica, tahoma;
font-size: 11px;
}

#stranka
{
float: none;
height: auto;
width: 800px;
margin-left: auto; 
margin-right: auto;
padding: 0px;
border: none;
text-align: left;
background-repeat: no-repeat;
background-color: fff;
}