Les styles de colonnes feuille de style bootstrap-responsive.min.css
.span12 { width:1170px } .span11 { width:1070px } .span10 { width:970px } .span9 { width:870px } .span8 { width:770px } .span7 { width:670px } .span6 { width:570px } .span5 { width:470px } .span4 { width:370px } .span3 { width:270px } .span2 { width:170px } .span1 { width:70px }