div#header .logo_cadre .logo_commerce{width:169px;height:169px;border:1px solid black;background:white;line-height:169px;text-align:center;position:relative;}
div#header .logo_cadre .logo_commerce .avant_logo {width:165px;height:165px;vertical-align:middle;display:inline-block;}
div#header .logo_cadre .logo_commerce .avant_logo img{position:absolute;margin:auto;top:0;bottom:0;left:0;right:0;max-height:165px;max-width:165px;}