specifies a set of conditional styles
conditionStyle:[
{name: 'bold', css: "custom_bold"},
{name: 'italic', css: "custom_italic"},
{name: 'red', css: "custom_color"},
{name: 'highlight', css: "custom_bgcolor"},
{name: 'green', css: "custom_less"}
]
Each element of the array presents an object with two properties: