#main_menu .dropdown-menu {display: block;visibility: hidden;opacity: 0;transform: translateY(50px);transition: .4s ease all;}#main_menu .dropdown-menu.show {border-bottom: 6px solid #ffcf37;}#main_menu .dropdown-menu.show {display: block;visibility: visible;opacity: 1;transform: translateY(0px);transition: .4s ease all;border-bottom: 6px solid var(--secondary-color);}#main_menu .dropdown-toggle[ aria-expanded="true"]:after {transform: rotate(180deg);}.dropdown-toggle:after {transition: 0.4s;}#main_menu .dropdown-menu:before {position: absolute;top: -7px;left: 9px;display: inline-block;border-right: 7px solid transparent;border-bottom: 7px solid #ccc;border-left: 7px solid transparent;border-bottom-color: rgba(0, 0, 0, 0.2);content: '';}#main_menu .dropdown-menu:after {position: absolute;top: -6px;left: 10px;display: inline-block;border-right: 6px solid transparent;border-bottom: 6px solid #fff;border-left: 6px solid transparent;content: '';}