/* Geometric cross: centered independently of font metrics and inherited padding. */
.bn-panel header>button[aria-label="Fermer les notifications"]{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:0;line-height:1;font-size:0;box-sizing:border-box}
.bn-panel header>button[aria-label="Fermer les notifications"]::before,
.bn-panel header>button[aria-label="Fermer les notifications"]::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;border-radius:1px;background:currentColor;transform:translate(-50%,-50%) rotate(45deg);pointer-events:none}
.bn-panel header>button[aria-label="Fermer les notifications"]::after{transform:translate(-50%,-50%) rotate(-45deg)}