// animated hamburger icon // @see http://codepen.io/JulienMelissas/pen/LEBGLj .navbar-toggle { border: none; background: transparent !important; &:hover { background: transparent !important; } .icon-bar { width: 22px; transition: all 0.2s; } .top-bar { transform: rotate(45deg); transform-origin: 10% 10%; } .middle-bar { opacity: 0; } .bottom-bar { transform: rotate(-45deg); transform-origin: 10% 90%; } &.collapsed { .top-bar { transform: rotate(0); } .middle-bar { opacity: 1; } .bottom-bar { transform: rotate(0); } } }