blur()
The blur() function applies a Gaussian blur effect to an element, so we can use it to soften an element directly from CSS.
invert()
The
invert() function applies a invert filter to an element and its content. It is used with the filter property. opacity()
The CSS
opacity() function applies a transparency filter to an element and its content. It is used with the filter property. paint()
The CSS
paint() function allows us to use PaintWorklets as background images in CSS. PaintWorklets are images created in JavaScript that are applied to an element in CSS with the paint() function. calc()
The CSS
calc() function performs math between values, whether that's addition, subtraction, division, or multiplication, along with any other math function. cross-fade()
The
cross-fade() function lets you blend more than one image at a specified transparency value. image()
The CSS
image() function renders an image from a URL. We also can add a solid color as a fallback, specify the image’s direction, and use media fragments. image-set()
The CSS
image-set() function allows the browser to display the best image from a given set of images.