Tests that proper source lines are reported for the parsed styles.
-[expanded] element.style { ()
+[expanded]
+element.style { ()
======== Matched CSS Rules ========
-[expanded] #main, .at_line_50 { (styles-source-lines.html:50)
+[expanded]
+media="screen" (styles-source-lines.html)
+#main, .at_line_50 { (styles-source-lines.html:50)
border: 1px solid
red;
-border-image: initial;
-[expanded] #main, .at_line_43 { (styles-source-lines.html:43)
+[expanded]
+media="screen" (styles-source-lines.html)
+#main, .at_line_43 { (styles-source-lines.html:43)
font-size: 10px;
-[expanded] #main, .at_line_29 { (styles-source-lines.html:29)
+[expanded]
+media="screen" (styles-source-lines.html)
+#main, .at_line_29 { (styles-source-lines.html:29)
font-family: /* Comment in
value */courier;
-[expanded] #main, .at_line_15::before { (styles-source-lines.html:15)
+[expanded]
+media="screen" (styles-source-lines.html)
+#main, .at_line_15::before { (styles-source-lines.html:15)
color: red;
content: "Before";
-[expanded] div { (user agent stylesheet)
+[expanded]
+div { (user agent stylesheet)
display: block;