body #navbar ul a:nth-child(3) {
    background-color: aqua;
}

body #header #phrase span:nth-child(2) {
    color: rgb(2, 111, 161);
}

body #content {
    display: flex;
    justify-content: center;
    align-items: center;
}

body #content img {
    width: 60%;
}