font-style property definition and usage
In the css, font-style property is use to set the text font style. All current major browsers support this attribute; font-style property is set in italics, tilt or normal font. Italic font in the font family usually defined as a separate font. In theory, a user agent can be calculated according to the normal font italic font.
font-style attribute syntax
css syntax: font-style: normal / italic / oblique / inherit
JavaScript语法：object.style.fontStyle="italic"
font-style attribute specification
normal: default browser to display a standard font style
italic: The browser displays a italic font style
oblique: The browser displays a slanted font style
inherit: the provisions should inherit from the parent element font style
Examples
These are the details of how css font-style property with