#container div {
  
  


  height: 100px;
 width: 100px;
 border-radius: 50%;
 margin: auto;
 margin-bottom: 10px; 
}

#red {
 background: red;
}
#orange {
background:  #ff8400;
}
#yellow {
background: #eeff00;
}
#green {
background: #04ff00;
}
#blue {
background: #0000ff;
}
#indigo {
background:indigo;

#purple {
background: #a200ff
}