Image Effects

CSS Clip

https://bennettfeely.com/clippy/

CSS Filters

img {
  filter: grayscale(100%);
}

Multiple Filters

img {
  filter: grayscale(100%) blur(5px);
}

https://www.w3schools.com/cssref/playdemo.php?filename=playcss_filter&preval=hue-rotate(90deg)