Indeed, it's achieved by adding webkit-specific -webkit-transform: rotate(1deg) CSS transform applied to the body element so it works on the desktop if you

Indeed, it's achieved by adding webkit-specific -webkit-transform: rotate(1deg) CSS transform applied to the body element so it works on the desktop if you use Chrome or another webkit browser. Not quite sure why they didn't use -moz-transform on Firefox (Gecko) browsers which works the same way.