Restore Fullscreen Fur Affinity by pokefan5

/* ==UserStyle==
@name           Restore Fullscreen Fur Affinity
@namespace      github.com/openstyles/stylus
@version        1.0.0
@description    Restore FA to use all available horizontal space.
@author         Oric

@var select clip_banner 'Limit banner height:' {
'300px (default)'   : '300px',
'400px'             : '400px',
'500px'             : '500px',
'600px'             : '600px',
'No limit'          : 'none'
}
==/UserStyle== */
:root {
    --clip_banner: $clip_banner
}
@-moz-document domain("furaffinity.net") {

    html,
    body {
        max-width: 100%;
    }

    #ddmenu {
        max-width: 100%;
    }

    site-banner img {
        height: auto;
        width: 100%;
        max-height: var(--clip_banner);
        overflow: clip;
        object-fit: cover;
    }

    userpage-nav-header {
        max-width: 100%;
    }
}