body {
    margin: 0;
    font-family: Arial;
    background: #f5f5f5;
}

.navbar {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    background: black;
    color: white;
}

.nav-links a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}

.container {
    text-align: center;
    padding: 20px;
}

.main-logo {
    width: 120px;
}

.blue {
    color: blue;
}

.download-btn {
    display: inline-block;
    padding: 12px 25px;
    background: green;
    color: white;
    border-radius: 5px;
    text-decoration: none;
}

.table {
    width: 90%;
    margin: 20px auto;
    border-collapse: collapse;
}

.table td, .table th {
    border: 1px solid #ddd;
    padding: 10px;
}

.single-image {
    text-align: center;
}

.full-img {
    width: 90%;
    max-width: 500px;
    border-radius: 10px;
}

.content {
    padding: 20px;
}

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

#topBtn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    padding: 10px;
}