#outer{ 
  background-color: #E05648;
  width: 95vmin;
  height: 90vmin;
  margin: 0 auto;
  position: relative;
  
}

#secondring{
  background-color: #FC7E5B;
  position: absolute;
 
  width: 60vmin; 
  height:60vmin; 
  left: 18.5%; 
  top: 26%; 
  margin:0 auto;
}

#innersquare{
  background-color: #F4BA78;
  position: absolute;
  width: 35vmin; 
  height:35vmin; 
  left: 21.5%; 
  top: 31%; 
  margin:0 auto;
}