The first frame with a left and right margin of 50 pixels, and the second frame with a left and right margin of 0 pixels:
The marginwidth attribute is supported in all major browsers.
The <frame> tag is not supported in HTML5.
The marginwidth attribute specifies the width between the content and the left and right sides of the frame, in pixels.
|pixels||Specifies the left and right margins of a frame|
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