body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px;
}

h1 {
    margin: 0;
}

.portfolio {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
}

.category {
    margin-bottom: 40px;
}

h2, h3 {
    color: #333;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-around;
}

.item {
    width: 30%;
    background-color: #f0f0f0;
    padding: 10px;
    border-radius: 8px;
    text-align: center;
}

.item img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.item p {
    margin-top: 10px;
    font-size: 1rem;
    color: #333;
}

@media (max-width: 768px) {
    .item {
        width: 45%;
    }
}

@media (max-width: 480px) {
    .item {
        width: 100%;
    }
}