body {
    background-color: var(--color-bg);
    color: var(--color-font1);
}

.navbar .collapse {
    position: static;
}

.nav-item .dropdown-menu {
    background: var(--color-bg);
}

[data-bs-toggle="dropdown"] {
    padding-left: 2em !important;
    position: relative;

    &::before {
        background: currentColor;
        content: "";
        display: block;
        -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 640"><!--!Font Awesome Free 7.2.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2026 Fonticons, Inc.--><path d="M300.3 440.8C312.9 451 331.4 450.3 343.1 438.6L471.1 310.6C480.3 301.4 483 287.7 478 275.7C473 263.7 461.4 256 448.5 256L192.5 256C179.6 256 167.9 263.8 162.9 275.8C157.9 287.8 160.7 301.5 169.9 310.6L297.9 438.6L300.3 440.8z"/></svg>') no-repeat top center;
        mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 640"><!--!Font Awesome Free 7.2.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2026 Fonticons, Inc.--><path d="M300.3 440.8C312.9 451 331.4 450.3 343.1 438.6L471.1 310.6C480.3 301.4 483 287.7 478 275.7C473 263.7 461.4 256 448.5 256L192.5 256C179.6 256 167.9 263.8 162.9 275.8C157.9 287.8 160.7 301.5 169.9 310.6L297.9 438.6L300.3 440.8z"/></svg>') no-repeat top center;
        width: 1em;
        height: calc(100% - 2rem);
        max-height: 2em;
        position: absolute;
        left: 0;
    }
    &.show::before {
        transform: rotate(180deg);
    }
}