site/_src/_assets/styles/bigchain/_menus.scss

.menu {
}

.menu__link {
    @extend .small;
    display: inline-block;
    padding: $spacer;
    text-transform: uppercase;
}

.menu__logo {
    display: block;
    svg {
        @extend .transition;
        fill: #fff;
        opacity: .8;
    }

    &:hover svg,
    &:focus svg {
        opacity: 1;
    }
}


//
// Main menu overlaying a dark background image
// in front page hero or page headers
//
.menu--main {
    position: absolute;;
    left: 0;
    right: 0;
    top: 0;
    width: 100%;
    z-index: 2;
    height: 60px;

    .menu__link {
        color: #fff;
        opacity: .8;

        // link line
        &:after {
            content: "";
            height: 2px;
            width: 30px;
            background: #fff;
            display: block;
            margin: ($spacer / 3) auto 0 auto;
            // hidden by default
            transform: scale(0);
            transform-origin: center;
            transition: transform .2s ease-out;
        }

        &:hover,
        &:focus,
        &.active {
            opacity: 1;

            // show link line
            &:after { transform: scale(1); }
        }
    }
}

.menu--footer {
    @extend .text-center;

    .menu__link {
        padding: $spacer ($spacer/1.5);
    }
}