.container {
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 1.5em;
}

.navbar {
    flex-direction: column;
}

.btn {
    width: 100%;
    margin-bottom: 10px;
}

.hero {
    height: 100vh;
    margin: 0;
    padding: 0;
    background-image: url('../images/contact.jpg');
    background-size: cover;
    background-position: center;
}

body {
    margin: 0;
    padding: 0;
}

@media (max-width: 768px) {
    .header {
        text-align: center;
    }
    .content {
        padding: 10px;
    }
}