body {
    margin: 0;
    padding: 0;
    font-family: "Comic Sans MS", serif;
    background: #f0f0f0;
}

nav {
    background: slategrey;
    padding: 10px;
}

nav a {
    color: white;
    margin-right: 10px;
    text-decoration: none;
}

.content {
    padding: 15px;
    background: white;
    margin: 10px;
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding: 10px;
    color: white;
    background: slategrey;
    margin-top: 20px;
}

@media (max-width: 600px) {
    nav {
        padding: 5px;
        text-align: center;
    }
    
    nav a {
        display: block;
        margin: 5px 0;
        padding: 5px;
        background-color: rgb(77, 87, 98);
    }

    .content {
        margin: 5px;
        padding: 10px;
    }

    .footer {
        margin-top: 10px;
    }
}