C#中修改CSS:divAdd.Style["display"] = "block";
C#中增加CSS:prosInfoDiv.Style.Add("text-align","center");
C#中 修改类名:divAdd.Attributes["class"]="aaaa";
JS中修改类名(对大小写敏感,大小写要区分):document.getElementById('obj').className=”…”
修改某个CSS样式:document.getElementById('obj').style.backgroundColor=”#003366″