header #navigation-wrapper{height:0;overflow:hidden;transition:height .3s}header #menu-bar #close-menu-icon{display:none}@media screen and (max-width: 767px){header.opened{background-color:#252525;height:100vh;overflow-y:auto}header.opened #navigation-wrapper{height:auto}header.opened #menu-bar #close-menu-icon{display:flex}header.opened #menu-bar #open-menu-icon{display:none}header.opened #navigation-wrapper>div{flex-direction:column;row-gap:40px}}