reader.css

@-moz-document url-prefix("about:reader") {
    body {
        background-color: #1e1d2d !important;
    }

    /* Unstick the toolbar so it can scroll */
    /*#toolbar {
        position: static !important;
    }*/

    /* Put the toolbar back at the left */
    .reader-toolbar {
        margin-left: 16px !important;
    }

    .toolbar {
        border: none !important;
        background-color: #1e1d2d !important;
        width: 40px !important;
    }

    button {
        fill: #ffffff !important;
        background-color: #1e90ff !important;
        border: none !important;
    }

    button:hover {
        background-color: #1e90ff80 !important;
    }

    .dropdown-popup {
        background-color: #1e1d2d !important;
        box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.5) !important;
        border-radius: 0px !important;
        border: none !important;
        opacity: 0 !important;
        transition: opacity 150ms, visibility 0s 2s !important;
    }

    .open>.dropdown-popup {
        opacity: 1 !important;
        transition: opacity 150ms !important;
    }

    .dropdown-arrow {
        display: none !important;
    }

    .dropdown.open {
        background-color: #1e90ff !important;
    }

    .narrate-row:not(:first-child) {
        border: none !important;
    }

    .font-type-buttons>button>.description {
        color: #bebebe !important;
    }
}