#header {
    margin-left:auto;
    margin-right:auto;
    max-width:60em;
}

#header #leftmargin {
    float:left;
    max-width:50%;
}

#header #rightmargin {
    float:left;
    max-width:50%
}

#header #picture{
    float:left;
}
#header #info{
    margin-top:auto;
    margin-bottom:auto;
    float:right;
}
div.content {
    margin-left:auto;
    margin-right:auto;
    max-width:60em;
    clear:both;
}
div.spacer {
    clear:both;
    width:100%;
    height:1em;
    float:left;
}