body {
    font-family: Roboto, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

nav {
    background-color: rgb(10, 51, 10);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
}

nav img.logo {
    height: 40px;
}

nav ul {
    list-style: none;
    display: flex;
    margin: 0;
}

nav ul li {
    margin-left: 20px;
}

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

nav ul li a:hover {
    color: red;
}

.hero {
    height: 100vh;
    background: url('images/screen4.png') no-repeat center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

footer {
    background-color: rgb(85, 124, 85);
    text-align: center;
    padding: 10px;
}