CSS : 

.watercolor-effect { background-image: url(photo.jpg); background-size: cover; background-position: center; } @supports (filter: blur(2px)) and (mix-blend-mode: multiply) { .watercolor-effect { position: relative; overflow: hidden; } .watercolor-effect:before, .watercolor-effect:after { display: block; content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-size: cover; } .watercolor-effect:before { background-image: url(photo.jpg), url(photo.jpg); background-blend-mode: difference; background-position: calc(50% - 1px) calc(50% - 1px), calc(50% + 1px) calc(50% + 1px); filter: brightness(2) invert(1) grayscale(1); box-shadow: inset 0 0 0 1px black; } .watercolor-effect:after { background-image: url(photo.jpg); background-position: center; mix-blend-mode: multiply; filter: brightness(1.3) blur(2px) contrast(2); } }