/* Reset some basic elements */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Page layout */
body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
    padding: 20px;
}

/* Header styling */
header {
    background-color: #4a90e2;
    color: #fff;
    padding: 15px;
    text-align: center;
    border-radius: 5px;
}

/* Main content */
main {
    margin: 20px 0;
}

/* Button styling */
button.primary {
    background-color: #4a90e2;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 1rem;
}

button.primary:hover {
    background-color: #357ab8;
}

/* Footer styling */
footer {
    text-align: center;
    font-size: 0.9rem;
    color: #777;
    margin-top: 30px;
}