.penguin {
   margin-left: auto;
  margin-right: auto;
  position: center;
  width: 20px;
  height: 20px;
  filter: drop-shadow(0 0 2px #1a0c1a) drop-shadow(0 0 .2px #ffffff);
 animation: glow 1.5s ease-in-out infinite alternate;
 
}