layer at (0,0) size 808x584 RenderView at (0,0) size 800x584 layer at (0,0) size 800x584 RenderBlock {HTML} at (0,0) size 800x584 RenderBody {BODY} at (8,8) size 784x568 RenderBlock {P} at (0,0) size 784x42 [color=#008000] RenderText {#text} at (0,0) size 746x42 text run at (0,0) width 746: "This text should be green if viewport is wider than 30em. This tests that (max-width: 30em) can evaluate to" text run at (0,21) width 38: "false." RenderBlock {DIV} at (0,58) size 480x21 [bgcolor=#ADD8E6] RenderText {#text} at (0,0) size 134x21 text run at (0,0) width 134: "div of length 30 em" RenderBlock {DIV} at (0,79) size 800x21 [bgcolor=#ADD8E6] RenderText {#text} at (0,0) size 134x21 text run at (0,0) width 134: "div of length 800px"