transform
scale()
<style> .ball { width: 40px; height: 40px; margin: 50 auto; position: fixed; background: linear-gradient( 35deg, #ccffff, #ffcccc ); border-radius: 50%; } #ball1 { left: 20%; } #ball2 { left: 65%; transform: scale(1.5); } </style> <div class="ball" id= "ball1"></div> <div class="ball" id= "ball2"></div>