userContent.css

/* =============================== */
/* START OF SIDEBERY MINIMAL STYLE */
/* =============================== */

/* Based on https://github.com/ongots/firefox-sidebery-minimal-style */

* {
    scrollbar-width: thin;
    scrollbar-color: #80808060 transparent !important
}


/*   Newtab   */

@-moz-document url("about:home"),
url("about:newtab") {
    body {
        background-color: #fafafa !important;
        background-size: 30px 30px
    }

    @media (prefers-color-scheme: dark),
    (prefers-color-scheme: no-preference) {
        body {
            background-color: #0f0f0f !important;
        }
    }

    .prefs-button {
        display: none
    }
}


/*   Addons   */

button.category:nth-child(1),
#help-button,
#helpButton,
.addon-badge-recommended,
.addon-description,
.back-button,
.header-name,
.list-section-heading,
.search-label,
#sidebar::after,
.navigation::after {
    display: none !important
}

:root {
    --addon-icon-size: 26px !important;
    --card-padding: 14px !important;
    --in-content-box-border-color: #333 !important
}

.addon.card {
    margin-bottom: 5px !important
}

.addon-name {
    font-weight: 400 !important
}

.addon-name-container {
    margin-top: 0 !important
}

.main-search {
    margin: -15px 0 -41px -364px !important
}

.page-options-menu,
#updates-message {
    margin: -22px 0 -10px 0 !important
}

.sticky-container {
    position: static !important
}

.more-options-button {
    background-color: transparent !important
}

.more-options-button:hover {
    background-color: #80808040 !important
}

/* ============================= */
/* END OF SIDEBERY MINIMAL STYLE */
/* ============================= */