/* styles.css */

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

html, body {
    height: 100%;
    font-family: 'Arial', sans-serif;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

main {
    flex: 1;
}

header {
    background: #f4f4f4;
    padding: 20px;
    text-align: center;
}

header h1 {
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
}

.hero {
    background: url('https://source.unsplash.com/1600x900/?paper,envelopes') no-repeat center center/cover;
    height: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
}

.hero p {
    font-size: 1.2rem;
}

.hero .btn {
    background: #333;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    margin-top: 20px;
    border-radius: 5px;
}

section {
    padding: 20px;
    text-align: center;
}

footer {
    background: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    display: inline;
    margin: 0 10px;
}

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