x/postcss_autoprefixer/test/cases/transition-no-warning.out.css
123456789.no-warn { -webkit-transition-property: color, opacity; -o-transition-property: color, opacity; transition-property: color, opacity; -webkit-transition-duration: 1s, 2s; -o-transition-duration: 1s, 2s; transition-duration: 1s, 2s;}