style.css

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

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: url('https://images.unsplash.com/photo-1506748686214-e9df14d4d9d0?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=MnwzNjUyOXwwfDF8c2VhcmNofDN8fGxhYnRvcHN8ZW58MHx8fHwxNjMyNDAxNjE4&ixlib=rb-1.2.1&q=80&w=1080') no-repeat center center/cover;
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

header h1 {
    font-size: 3em;
}

header p {
    font-size: 1.3em;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    background: #444;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-size: 1.2em;
}

nav ul li a:hover {
    color: #f4f4f4;
}

section {
    padding: 50px 0;
    background-color: solid black;
}

section#about {
    background: url('https://wallpapers.com/images/high/engineering-background-5u1vmh4f67lgz4uf.webp') no-repeat center center/cover;
    color: solid black;
}

section h2 {
    font-size: 2.5em;
    text-align: center;
}

ul {
    list-style: none;
    margin: 20px 0;
}

ul li {
    padding: 10px 0;
    border-bottom: 1px solid #ccc;
}

footer {
    text-align: center;
    padding: 20px 0;
    background: #333;
    color: #fff;
}

footer p {
    margin: 0;
}