.mystyle { color: red; }
I am a DIV element
{"ScriptPreparationCode":null,"TestCases":[{"Name":"java","Code":"document.getElementById(\u0022myDIV\u0022).style.color = \u0022red\u0022;","IsDeferred":false},{"Name":"css","Code":"document.getElementById(\u0022myDIV\u0022).classList.add(\u0022mystyle\u0022);","IsDeferred":false}]}