Test 5 – % on body with text and sidenote font sizes set in ems; line height in ems

body {
	font-size:100%;
	line-height:1.125em;
}

.bodytext p {
	font-size:0.875em;
}

.sidenote {
	font-size:0.75em;
}

Test page

Browser Default (text medium, zoom 100%) Text larger Text largest Text smaller Zoom 110% Zoom 120% Zoom 90%
Firefox 2 Mac screenshot screenshot screenshot screenshot n/a n/a n/a
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Opera 9.5α Mac screenshot n/a n/a n/a screenshot screenshot screenshot