* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 20px 0;
}

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

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    background: url('https://via.placeholder.com/1200x400') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 100px 0;
}

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

.btn {
    background-color: #ff5722;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;