.radius { border-radius: 10px; }.image-radius { border-radius: 10px; }.bg-color { background-color: #000000; }.main-color { background-color: #000000; }.collapsible { background-color: #000000; }.collapsible-body { background-color: #000000; }.collapsible-header { background-color: #000000; }.collection-item.avatar { background-color: #000000; }.expand-header { background-color: #000000; }.expand-body { background-color: #000000; }.expand-cover { background-color: #000000; }.nav-color{ background-color: #000000 !important; }.accent-color { color: #000000; }.accent-color { fill: #000000; }.btn-color{ background-color: #f3e600 !important; }.btn-radius{ border-radius: 50px !important; }button[type="submit"]{ border-radius: 50px !important; }.section-header { margin-bottom: 3rem; }