.back-to-den { position: fixed; left: 16px; bottom: 16px; z-index: 9999; padding: 12px 18px; background: #000; color: #fff; border: 2px solid #ff2e88; box-shadow: 0 0 18px rgba(255,46,136,.6); font: 800 11px/1 'Archivo', 'Inter', Arial, sans-serif; letter-spacing: .22em; text-transform: uppercase; text-decoration: none; }
.back-to-den:hover { background: #ff2e88; color: #000; }