body{min-height:100%;  
text-align: center; 
background-attachment: fixed ; 
background-image: url(https://www.odexpo.com/css/100-webperso/fond/fd_col_black.png); background-repeat: repeat-x; background-position: left top; 
}
#body_n { min-height:100%;height:auto; }
#header     { border-color: #111111 #111111 #111111 #111111 ;  
border-top-width: 1px ; }
#header     {   min-height: 102px ; }
#menu       { min-height: 32px;}
#rub a        { height: 26px; }
#rub a:hover        { height: 26px; }
#rub_current a        { height: 26px; }