A quick trick to create any kind of shape having rounded corners.

The CSS filter property provides a way to apply graphical effects on HTML elements. These effects go from blur to grayscale handling but can also include advanced filters using SVG. CSS filters are cross-browser supported and ready to use. If you haven't played around with them, you should give them a try!

The central digital experience resource of Helsinki Design Language. Guidelines, design assets and component libraries for building a consistent and accessible digital brand across the city.