body, html {
    min-height: 100vh;
    padding: 0;
    margin: 0;
}

body {
    background-image: url('../img/bg.jpg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    position: relative;
    padding-bottom: 100px;
}

.logo {
    position: absolute;
    transform: translateX(-50%);
    top: 20%;
    left: 50%;
}

.top-nav {
    padding: 80px 60px;
    text-align: center;
}

.content {
    padding: 40px;
    background-color: white;
}