body {
    font-family: 'Arial', sans-serif;
    background-color: #f7f0e3;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 1em 0;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #ecf0f1;
    border-radius: 8px;
}

h1, h2 {
    color: #3498db;
}

p {
    color: #2c3e50;
}

footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

#introduction {
    border: 2px solid #e74c3c;
}

#step1, #step2 {
    border: 2px solid #27ae60;
}