/* particle.css */ #particle-container { position: relative; width: 100%; height: 100%; overflow: hidden; } .particle { position: absolute; width: 10px; height: 10px; border-radius: 50%; background-color: white; } .particle-image { position: absolute; width: 100%; height: 100%; background-image: url(https://forums.unrealengine.com/t/editing-particle-effect-in-hex/137448); /* replace this with your image url */ background-size: cover; }