rem bug in IE

by Alex

HTML

<div class="a">2rem text</div>
<div class="b">2rem text</div>
<div class="c">2em text</div>

CSS

html {
	background:#eee;
	font: .75em/1.5em Arial, "Helvetica CY", "Nimbus Sans L", sans-serif;
	color:#000;
}
.a {
    font-size: 2rem;
    line-height: 1.5em;
    font-family: Arial, "Helvetica CY", "Nimbus Sans L", sans-serif;
}
.b {
    font: 2rem/1.5em Arial, "Helvetica CY", "Nimbus Sans L", sans-serif;
}
.c {
    font: 2em/1.5em Arial, "Helvetica CY", "Nimbus Sans L", sans-serif;
}