.sub-menu{width:250px}.fleche-bordure{position:relative;background-color:#280b89;box-shadow:0 4px 10px rgba(0,0,0,0.1);border-radius:5px}.fleche-bordure::after{content:'';position:absolute;top:50%;transform:translateY(-50%);border-top:20px solid transparent;border-bottom:20px solid transparent;border-left:20px solid #3498db;right:-12px}.et_clickable{transition:transform 0.3s ease}.et_clickable:hover{transform:scale(1.05);cursor:pointer}