.gsb-river { min-width: 0; }
.gsb-river__list { display: flex; flex-direction: column; }
.gsb-river.is-loading .gsb-river__list { opacity: 0.55; }
.gsb-river__ad .gsb-ad { margin: 0.75rem 0; }
.gsb-river__empty { padding: 1rem 0; }