doc/doxygen-awesome-css/doxygen-custom/custom-alternative.css
html.alternative {
    /* primary theme color. This will affect the entire websites color scheme: links, arrows, labels, ... */
    --primary-color: #AF7FE4;
    --primary-dark-color: #9270E4;
    --primary-light-color: #7aabd6;
    --primary-lighter-color: #cae1f1;
    --primary-lightest-color: #e9f1f8;

    /* page base colors */
    --page-background-color: white;
    --page-foreground-color: #2c3e50;
    --page-secondary-foreground-color: #67727e;


    --border-radius-large: 22px;
    --border-radius-small: 9px;
    --border-radius-medium: 14px;
    --spacing-small: 8px;
    --spacing-medium: 14px;
    --spacing-large: 19px;

    --top-height: 125px;

    --side-nav-background: #324067;
    --side-nav-foreground: #F1FDFF;
    --header-foreground: var(--side-nav-foreground);
    --searchbar-background: var(--side-nav-foreground);
    --searchbar-border-radius: var(--border-radius-medium);
    --header-background: var(--side-nav-background);
    --header-foreground: var(--side-nav-foreground);

    --toc-background: rgb(243, 240, 252);
    --toc-foreground: var(--page-foreground-color);
}

html.alternative.dark-mode {
    color-scheme: dark;

    --primary-color: #AF7FE4;
    --primary-dark-color: #9270E4;
    --primary-light-color: #4779ac;
    --primary-lighter-color: #191e21;
    --primary-lightest-color: #191a1c;

    --page-background-color: #1C1D1F;
    --page-foreground-color: #d2dbde;
    --page-secondary-foreground-color: #859399;
    --separator-color: #3a3246;
    --side-nav-background: #171D32;
    --side-nav-foreground: #F1FDFF;
    --toc-background: #20142C;
    --searchbar-background: var(--page-background-color);

}