body {
    background-color: #3d9b7d;
}

body p:nth-child(3) {
    background-color: rgba(0, 128, 0, 0.5);
}

body p:nth-child(4) {
    background-color: hsl(0, 0%, 50%);
}

body p:nth-child(5) {
    background-color: rgb(0, 0, 139);
}

p {
    color: white;
}