Css

gistfile1.txt

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 20px;
}

body {
    font-family: Arial, Helvetica, sans-serif;
}

.container {
    margin: auto;
    background: url("img/bg.jpeg") no-repeat center right/cover;
    color: white;
    height: 100vh;
}

.main-nav__logo {
    width: 70px;
    padding: 10px;
}

.topnav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow: hidden;
}

.topnav #myLinks {
    display: flex;
}

.topnav a {
    color: white;
    padding: 25.9px;
    text-decoration: none;
    font-size: 20px;
}

.topnav a.icon {
    background: white;
    display: none;
    position: absolute;
    right: 0;
    top: 0;
}

.topnav a.icon:last-child {
    background: black;
}

.topnav a.icon:last-child:hover {
    background: white;
}

.topnav a:hover {
    color: black;
}

@media (max-width: 768px) {
    .topnav {
        display: block;
    }

    .topnav #myLinks {
        display: none;
    }

    .topnav a {
        display: block;
    }

    .topnav a.icon {
        display: block;
    }
}