*
    background-color: rgba(255,0,0,.2)
* *
    background-color: rgba(0,255,0,.2)
* * *
    background-color: rgba(0,0,255,.2)
* * * *
    background-color: rgba(255,0,255,.2)
* * * * *
    background-color: rgba(0,255,255,.2)
* * * * * *
    background-color: rgba(255,255,0,.2)