mydevice.io : web devices capabilitiesCSS3 flexbox grid layout grid layout (old) position: sticky regions @supports will-change pointer events calc() viewport units hover media query pointer media query background blend mode background-size: cover object-fit font ligatures appearance filters masks scroll snap points shapes hyphens HTML5 / JS flash video webgl canvas srcset <picture> inline SVG webp jpegxr geolocation matchmedia() webs
