.col1, .col2, .col3, .col4{ float:left}
/*======= width =======*/
.w{margin:0 auto; text-align:left; width:900px; background:#ffffff }

/*======= header =======*/
#header {height:330px; background:url(images/top.jpg) no-repeat top left}

/*======= index.html =======*/
#page1 #content .col1{ width:265px}
#page1 #content .col2{ width:635px}

/*======= index-1.html =======*/
#page2 #content .col1{ width:411px}
#page2 #content .col2{ width:369px}
/*======= index-2.html =======*/
#page3 #content .col1{ width:224px}
#page3 #content .col2{ width:273px}
#page3 #content .col3{ width:283px}
/*======= index-3.html =======*/
#page4 #content .col1{ width:411px}
#page4 #content .col2{ width:369px}
/*======= index-4.html =======*/
#page5 #content .col1{ width:387px}
#page5 #content .col2{ width:393px}
/*======= index-5.html =======*/
#page6 #content .col1{ width:780px}
/*======= 2 colonnes =======*/
#deuxcolonnes #content .col1 {width:670px}
#deuxcolonnes #content .col2 {width:215px}