div.mainmenu.boutique::before {
	content: "\f249";
}
div.mainmenu.boutique {
	background-image: none;
}

.myclasscss {
	/* ... */
}

#agenda-tiers{
    border:1px solid #ccc;
    padding:5px;
    border-radius:5px;
    width:100%;
}

.iframe-container {
            position: relative;
            width: 100%; /* L'iframe occupe toute la largeur */
            padding-bottom: 56.25%; /* Ratio 16:9 (9/16 = 0.5625 = 56.25%) */
            height: 0;
            overflow: hidden;
}

/* Iframe responsive */
.iframe-container iframe {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     border: 0; /* Supprime les bordures par défaut */
}