body {
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #e6f4ea 0%, #c9e9ff 100%);
    padding: 20px;
    color: #333;
    text-align: center;
}

h1 {
    color: #2c3e50;
    font-size: 2em;
    margin-bottom: 20px;
}

h2 {
    color: #3498db;
    margin-top: 25px;
    font-size: 1.4em;
}

.subjects {
    font-size: 1.2em;
    color: #27ae60;
    font-weight: bold;
    background-color: rgba(236, 240, 241, 0.6);
    padding: 12px;
    border-radius: 8px;
    margin: 8px 0;
    display: inline-block;
    width: 80%;
    max-width: 600px;
}

.back-button {
    display: inline-block;
    margin: 20px;
    padding: 12px 24px;
     background: linear-gradient(to right, #3498db, #2ecc71);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: background 0.3s ease, transform 0.2s ease;
    margin-top: 30px;
}

.back-button:hover {
    background: rgba(44, 62, 80, 0.25);
    transform: translateY(-2px);
}