.hr-gray {
    margin: 1.5rem 0; 
    border: 0; 
    border-top: 1px solid rgba(255,255,255,0.3);
}

.hr-gray-slim {
    margin: 0.5em 0;
    border: 0;
    border-top: 1px dashed rgba(255,255,255,0.3);
}