div#gauche { width: 600px; float:left; border: 0px solid red; margin: 0px; padding: 0px;}
li { padding-bottom: 0px; }
ul { padding-left: 20px; margin: 0px;}
h2 { font-size: 18px; color:#697757; background-color:#B5C4A1; padding:4px; font-weight:normal;}

div#colonne1 { float: left; width: 37%;}
div#colonne2 { float: right; width: 56%}
div#colonne2 li { padding-bottom: 4px; }
.focus { border: 1px solid #B5C4A1; padding: 12px; margin-top: 12px;}
.surligne { border-top: 4px solid #697757;}

iframe { width: 636px; border:0px solid red; height: 450px;}