header { 
    background-color: aqua;
    padding: 20px;
    color: rgba(115, 0, 255, 0.857);
}

nav{ 
    background-color: rgb(255, 49, 190);
    color: rgb(9, 18, 118);
}

article{
    background-color: blueviolet;
    color: rgba(217, 255, 0, 0.857);
}
footer{
    background-color: violet;
}