html,
body {
    background-color:#0d0d0d!important;
    background-image:none!important;
}

.site-shell {
    background:rgba(23,23,23,.92);
    border:1px solid rgba(239,62,56,.34);
    box-shadow:0 16px 48px rgba(0,0,0,.72),0 0 32px rgba(239,62,56,.12);
    backdrop-filter:blur(3px);
}

@media (max-width:430px) {
    .site-shell {
        background:rgba(23,23,23,.98);
    }
}