almalinux-logos/anaconda/theme/redhat.css

/* Anaconda gtk style overrides for RHEL */

/* vendor-specific colors */
@define-color almalinux #2c1d4c;

/* logo and sidebar classes */

/* The sidebar consists of three parts: a background, a logo, and a product logo,
 * rendered in that order. The product logo is empty by default and is intended
 * to be overridden by a stylesheet in product.img.
 */
.logo-sidebar {
    background-image: url('/usr/share/anaconda/pixmaps/sidebar-bg.png');
    background-color: @almalinux;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top left;
}

/* Add a logo to the sidebar */
.logo {
    background-image: url('/usr/share/anaconda/pixmaps/sidebar-logo.png');
    background-position: 50% 20px;
    background-repeat: no-repeat;
    background-size: 70%;
    background-color: transparent;
}

/* This is a placeholder to be filled by a product-specific logo. */
.product-logo {
    background-image: none;
    background-color: transparent;
}

AnacondaSpokeWindow #nav-box {
    background-color: @almalinux;
    background-image: url('/usr/share/anaconda/pixmaps/topbar-bg.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top left;
    color: white;
}