Fix 0% losing its percent unit during CSS serialization#202

FlorianRappl merged 1 commit intoAngleSharp:develAngleSharp/AngleSharp.Css:develfrom

jafin:fix/preserve-percent-unit-on-zero-valuesjafin/AngleSharp.Css:fix/preserve-percent-unit-on-zero-valuesCopy head branch name to clipboard