Access a style property on the first matched element. This method makes it easy to retrieve a style property value from the first matched element. The name of the property to access. Retrieves the color style of the first paragraph <p style="color:red;">Test Paragraph.</p> $("p").css("color"); "red" Retrieves the font-weight style of the first paragraph. <p style="font-weight: bold;">Test Paragraph.</p> $("p").css("font-weight"); "bold" Set a key/value object as style properties to all matched elements. This serves as the best way to set a large number of style properties on all matched elements. Key/value pairs to set as style properties. Sets color and background styles to all p elements. <p>Test Paragraph.</p> $("p").css({ color: "red", background: "blue" }); <p style="color:red; background:blue;">Test Paragraph.</p> Set a single style property to a value, on all matched elements. If a number is provided, it is automatically converted into a pixel value. The name of the property to set. The value to set the property to. Changes the color of all paragraphs to red <p>Test Paragraph.</p> $("p").css("color","red"); <p style="color:red;">Test Paragraph.</p> Changes the left of all paragraphs to "30px" <p>Test Paragraph.</p> $("p").css("left",30); <p style="left:30px;">Test Paragraph.</p>