body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f4f7; /* Màu nền nhẹ nhàng */
}
.header {
    background-color: #4a90e2; /* Màu xanh dương đẹp mắt */
    color: #fff;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.header h1 a {
    color: #fff;
    text-decoration: none;
}
.header .search-box {
    margin-top: 10px;
}
.header .search-box input {
    padding: 8px;
    border: none;
    border-radius: 5px;
}
.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.gallery-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s;
}
.gallery-item:hover {
    transform: translateY(-5px);
}
.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}
.gallery-item h3 {
    padding: 10px;
    margin: 0;
    font-size: 16px;
}