How to know if the click I leave the father div

Question

Following my problem and : I have an array used foreach to percorelo

'> Amount result : Coloured

    Preta= > button 
    Verde= > button 
    Cor jeans= > button 
    Rosê= > button 
    Marsala= > button 
    

Size

    P = > button 
    M = > button 
    G= > button 
    GG= > button 
    

wanted to take the button click on his father div so consigor separates color and size the result I wanted was this

Black GG But when the customer clicks again and chooses any size the Gg was changed to what he chose thus also for the color the problem and q they have the msm class as could identify which class and which understand ?