/* Base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

header {
    background-color: #4b6cb7;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 1rem 0;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    margin-bottom: 2rem;
}

h1, h2, h3 {
    margin-bottom: 1rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: #fff;
}