.nav-sommaire {border: 1px solid #eee;margin-left: 30%;margin-bottom: 1.5em;}
.nav-sommaire h2 {font-size: inherit;text-transform: uppercase;}
.nav-sommaire ul {}

.sommaire-back {color:#DDD;display:block;width:16px;height:16px;background:url("data:image/png;base64,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") no-repeat center;float: right;opacity:0.5;}

/* masquer les sommaires avec un seul lien */
.nav-sommaire-1 {display: none}
.sommaire-back-1 {display: none}