Hugo-theme-stack/assets/scss/partials/menu.scss

/*!
 * Hamburgers
 * @description Tasty CSS-animated hamburgers
 * @author Jonathan Suh @jonsuh
 * @site https://jonsuh.com/hamburgers
 * @link https://github.com/jonsuh/hamburgers
 */

.hamburger {
    padding-top: 10px;
    display: inline-block;
    cursor: pointer;
    transition-property: opacity, filter;
    transition-duration: 0.15s;
    transition-timing-function: linear;
    font: inherit;
    color: inherit;
    text-transform: none;
    background-color: transparent;
    border: 0;
    margin: 0;
    overflow: visible;
}
.hamburger:hover {
    opacity: 0.7;
}
.hamburger.is-active:hover {
    opacity: 0.7;
}
.hamburger.is-active .hamburger-inner,
.hamburger.is-active .hamburger-inner::before,
.hamburger.is-active .hamburger-inner::after {
    background-color: #000;
}

.hamburger-box {
    width: 30px;
    height: 24px;
    display: inline-block;
    position: relative;
}

.hamburger-inner {
    display: block;
    top: 50%;
    margin-top: -2px;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    width: 30px;
    height: 2px;
    background-color: var(--card-text-color-main);
    border-radius: 4px;
    position: absolute;
    transition-property: transform;
    transition-duration: 0.15s;
    transition-timing-function: ease;
}
.hamburger-inner::before,
.hamburger-inner::after {
    content: "";
    display: block;
}
.hamburger-inner::before {
    top: -10px;
}
.hamburger-inner::after {
    bottom: -10px;
}

.hamburger--spin .hamburger-inner {
    transition-duration: 0.22s;
    transition-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
}
.hamburger--spin .hamburger-inner::before {
    transition: top 0.1s 0.25s ease-in, opacity 0.1s ease-in;
}
.hamburger--spin .hamburger-inner::after {
    transition: bottom 0.1s 0.25s ease-in, transform 0.22s cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

.hamburger--spin.is-active .hamburger-inner {
    transform: rotate(225deg);
    transition-delay: 0.12s;
    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
}
.hamburger--spin.is-active .hamburger-inner::before {
    top: 0;
    opacity: 0;
    transition: top 0.1s ease-out, opacity 0.1s 0.12s ease-out;
}
.hamburger--spin.is-active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
    transition: bottom 0.1s ease-out, transform 0.22s 0.12s cubic-bezier(0.215, 0.61, 0.355, 1);
}

#toggle-menu {
    background: none;
    border: none;
    position: absolute;
    right: 30px;
    top: 30px;
    z-index: 2;
    cursor: pointer;

    @include respond(md) {
        display: none;
    }

    outline: none;

    &.is-active {
        .hamburger-inner,
        .hamburger-inner::before,
        .hamburger-inner::after {
            background-color: var(--accent-color);
        }
    }
}

/* Menu style */
.menu {
    padding-left: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
    overflow-y: auto;
    flex-grow: 1;
    font-size: 1.4rem;

    background-color: var(--card-background);
    margin-top: 0;
    padding: 15px 0;
    box-shadow: var(--shadow-l1);
    display: none;

    &.show {
        display: block;
    }

    @include respond(md) {
        align-items: flex-end;
        display: flex;
        background-color: transparent;
        padding: 0;
        box-shadow: none;
        margin-top: var(--sidebar-element-separation);
    }

    @include respond(xl) {
        margin-top: 30px;
    }

    li {
        position: relative;
        vertical-align: middle;
        padding: 10px 30px;

        &:not(:last-of-type) {
            margin-bottom: 15px;

            @include respond(xl) {
                margin-bottom: 20px;
            }
        }

        @include respond(md) {
            width: 100%;
            padding: 10px 0;
        }

        svg {
            stroke-width: 1.33;
            margin-right: 40px;

            width: 20px;
            height: 20px;
        }

        a {
            height: 100%;
            display: inline-flex;
            align-items: center;
            color: var(--body-text-color);
        }

        span {
            flex: 1;
        }

        &.current {
            a {
                color: var(--accent-color);
                font-weight: bold;
            }
        }
    }
}