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animation on css

by hronic

HTML

<div class="creature"></div>

CSS

.creature { 
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: #3ac;
    position: relative;
   }
   .creature::before, .creature::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 20px;
    border-radius: 50%;
    background: #000;
    top: 40px;
    animation: eye 1s ease-in-out infinite;
    -webkit-animation: eye 3s ease-in-out infinite;
   }
   .creature::before { left: 55px; }
   .creature::after { right: 55px; }
   @keyframes eye {
    90% { transform: none; }   
    95% { transform: scaleY(0.1); }
   }
   @-webkit-keyframes eye {
    90% { transform: none; }   
    95% { transform: scaleY(0.1); }
   }