.menu-show, .sidebar-show { position: fixed; top:0%; bottom: 0%; width: 100%; z-index: 2; visibility: visible; opacity: 1; } .menu-hide, .sidebar-hide { visibility: hidden; display: none; } .menu-toggle,.sidebar-toggle { cursor: pointer; } .dropdown-left { transform: rotate(-45deg); } .dropdown-right { transform: rotate(45deg); }