body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 2rem;
}

h1 {
    margin: 0;
    font-size: 2.5rem;
}

h2 {
    color: #007bff;
    border-bottom: 2px solid #007bff;
    padding-bottom: 0.5rem;
}

h3 {
    color: #555;
}

section {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    border: 1px solid #ddd;
    padding: 0.5rem;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

@media (max-width: 600px) {
    section {
        margin: 1rem;
        padding: 0.5rem;
    }
    h1 {
        font-size: 2rem;
    }
}