* {
    margin: 0;
    padding: 0;
    font-family: Arial;
}

nav {
    background: rgb(248, 0, 0);
    text-align: center;
}

nav ul {
    list-style: none;   
}

nav ul li {
    display: inline-block;
    padding: 30px 15px;
}

nav ul li:hover {
    background: rgb(248, 0, 0);
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 17px;
}

.menu {
    background: rgb(248, 0, 0);
    text-align: right;
    display: none;
}

.menu i {
    color: #fff;
    font-size: 24px;
    padding: 20px;
}

.menu i:hover {
    cursor: pointer;
}

@media (max-width: 600px) {
    nav {
        text-align: center;
        display: none;
    }

    nav.activo {
        display: block;
    }

    nav ul li {
        display: block;
    }

    .menu {
        display: block;
    }
}