Percentage width outer div with no border or padding:
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Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.

Percentage width outer div with border:
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.

Percentage width outer div with border and padding:
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.
Text in a div. Text in a div. Text in a div. Text in a div.