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

.menu {
    position: relative;
    z-index: 10;
    flex: 1;

    .grid__col {
        text-align: center;

        @media ($screen-md) {
            text-align: left;

            &:last-child { text-align: right; }
        }
    }
}

.menu__link {
    @extend .small;
    display: inline-block;
    padding: ($spacer / 2);
    text-transform: uppercase;
    box-shadow: none;

    @media ($screen-md) {
        padding: ($spacer * 1.5) $spacer;
    }

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

.menu__logo {
    display: block;
    margin-top: ($spacer * 2);
    margin-bottom: $spacer;
    box-shadow: none;

    @media ($screen-md) {
        margin-top: 0;
    }

    svg {
        @extend .transition;
        opacity: .8;
    }

    &:hover,
    &:focus {
        background: transparent;

        svg { opacity: 1; }
    }
}


//
// Main menu overlaying a dark background image
// in front page hero or page headers
//
.menu--main {
    .menu__logo {
        @media ($screen-md) {
            padding: ($spacer * 1.2) 0 ($spacer * 1.5) 0;
        }
    }

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

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


//
// Footer Menu
//
.menu--footer {
    .grid__col {
        &:nth-child(2) {
            margin-top: $spacer;

            @media ($screen-sm) {
                margin-top: 0;
            }
        }
    }

    .menu__logo {
        margin-top: ($spacer / 3);
        margin-bottom: 0;
    }

    .menu__link {
        padding: ($spacer/3);
        color: $gray-light;

        @media ($screen-sm) {
            display: block;
            text-align: left;
        }

        // hide link line
        &:after { display: none; }

        &:hover,
        &:focus,
        &.active { color: $brand-primary; }
    }
}


.footer__copyright {
    border-top: 1px solid $gray-dark;
    text-align: center;
    display: block;
    margin-top: ($spacer * 4);

    @media ($screen-sm) {
        text-align: left;
    }

    .menu__link {
        display: inline-block;
        text-transform: none;
        padding: ($spacer * 2) ($spacer/2);

        &:first-child { margin-left: ($spacer/2); }
        &:last-child { padding-right: 0; }
    }

    &,
    .menu__link {
        @extend .mini;
        color: $gray;
    }
}