When you use the Paragraph tag in HTML, specify the width of the paragraph in absolute or percentage terms using a cascading style sheet element, and then apply the element to one or more paragraphs on the Web page. For example, add the following between thetags in your HTML document: and add the following between the tags:
This is a narrow paragraph
This paragraph extends up to 700px wide.
To apply a single width to all paragraphs, use:
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Expressing Width as a Percentage
When you specify width as a percentage, the percentage applies to the width of the parent object. For example, consider the following:
This is narrow text
tag sets the width to be 30 percent. However, the 30 percent applies to the 700px, not to the entire width of the document, resulting in an absolute width of 700px times 0.3, or 210px.