body {
    font-family: 'Arial', sans-serif;
    background-image: url('B.png');
    background-size: cover;
    background-attachment: fixed;
}

.product-img {
    width: 100%;
    max-width: 250px;
    height: auto;
    display: block;
    margin: auto;
    border-radius: 10px;
    transition: transform 0.5s ease;
}

.product-img:hover {
    max-width: 255px;
    transform: scale(1.1);
}

.certificate {
    background-color: #f8f9fa;
    text-align: center;
    max-width: 700px;
    height: auto;
    border-radius: 10px;
    justify-content: center;
}

.footer {
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 15px;
}

.carousel-item {
    padding: 0 15px;
}

.carousel-control-prev,
.carousel-control-next {
    width: 5%;
}

.footer {
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}