Codecademy Sample Solution: Codeyear Dad, Daddy, Dada all the same to me

<style>  
   
    #familytree .granddad .son span {color: blue;}
    #familytree .granddad .son .son span {color: gray;}
    #familytree .granddad .daughter span {color: brown;}
    #familytree .granddad .daughter .son span {color: brown;}
    #familytree .granddad .son span#green {color: green;}
   
</style>

<div id="familytree">
    <div class="granddad">
        <div class="son father">
            <span>My Eye Colour is Blue</span>
            <div class="son">
                <span>My Eye Colour is Gray</span>
            </div>
        </div>
        <div class="daughter wife">
            <span>My Eye Colour is Brown</span>
            <div class="son">
                <span>My Eye Colour is Brown</span>
            </div>
        </div>
        <div class="son">
            <span id="green">My Eye Colour is Green</span>
        </div>
    </div>
</div>