body {
    font-family: "Open Sans", sans-serif;
    background-color: #f8f9fa;
}

.header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.hero {
    background-color: #ececec;
    padding: 4rem 0;
    text-align: center;
}

.product-card img {
    object-fit: cover;
    height: 200px;
}

.btn-black {
    background-color: #000;
    color: #fff;
    border-radius: 0;
    border: none;
}

.btn-black:hover {
    background-color: #333;
    color: #fff;
}