Answer: Open the New Style dialog box and set the font and "Style" properties
Explanation: Style attributes are used for defining the inline style of any particular element. For creating the Style attribute , user can open the new style dialog box which presents all the task panel of styles . The font can be chosen and style can be set by "Style"properties. E.g.- <style>.
Other options are incorrect because they are not the platform where the Style operations can be opted and performed for creation of Style attribute.