Les styles de colonnes feuille de style bootstrap.min.css
.span12 { width:940px } .span11 { width:860px } .span10 { width:780px } .span9 { width:700px } .span8 { width:620px } .span7 { width:540px } .span6 { width:460px } .span5 { width:380px } .span4 { width:300px } .span3 { width:220px } .span2 { width:140px } .span1 { width:60px }