The first frame with a top and bottom margin of 50 pixels, and the second frame with a top and bottom margin of 0 pixels:
The marginheight attribute is supported in all major browsers.
The <frame> tag is not supported in HTML5.
The marginheight attribute specifies the height between the content and the top and bottom of the frame, in pixels.
|pixels||Specifies the top and bottom margins of a frame|
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