.grid-anunciantes { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); 
    gap: 15px; 
    padding: 20px; 
    background: #f0f0f0; 
}

.box-anuncio { 
    height: 100px; 
    background: white; 
    border: 1px solid #ddd; 
    display: flex; 
    flex-direction: column;
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    font-family: sans-serif;
    font-size: 12px; 
    font-weight: bold; 
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.box-anuncio span { color: #999; font-size: 10px; }
.box-anuncio b { color: #ff4500; display: block; margin-bottom: 5px; }