p://www.w3.org/TR/CSS21/visudet.html#abs-replaced-width" />
        <meta name="flags" content="nonHTML svg" />
        <meta name="assert" content="Computed value of 'auto' for 'margin-left' or margin-right' on absolute replaced elements becomes a used value of '0'. The height and width are adjusted by the constraints for block-level, non-replaced elements." />
        <style type="text/css">* { margin: 0; padding: 0 }
            #div1
            {
                border: solid black;
            