.square, .circle {
    width: 100px;
    height: 100px;
    display: inline-block;
    float: right;
    
}
.circle{
    border-radius: 50%;
}
#blockRed{
    background-color: red;
}
#blockYellow{
    background-color: yellow;
    
}
#blockGreen{
    background-color: Green;
}
#blockPurple{
    background-color: Purple;
}
#blockOrange{
    background-color: orange
}
#blockBlack{
    background-color: black
}
#container{
    background-color: blue;
    margin: 0 auto;
    width: 300px;
    height: 400px;
}