Vertically match text in the textarea and pre elements

Also, remove `-webkit-box-sizing` since the latest Safari and Chrome
support `box-sizing`.

Author: NV

docs/parse.css

@@ -7,7 +7,6 @@ html, body {
 }
 body {
 	padding-bottom: 1.7em;
-	-webkit-box-sizing: border-box;
 	-moz-box-sizing: border-box;
 	box-sizing: border-box;
 }
@@ -23,6 +22,11 @@ h1 {
 	font: normal 1em sans-serif;
 	display: inline;
 }
+pre {
+	margin-top: 0;
+	padding: 2px .5em;
+	font: 12px/15px monospace;
+}
 #labels {
 	color: #FFE992;
 	width: 66%;
@@ -59,8 +63,11 @@ h1 {
 .style-cell textarea {
 	width: 99%;
 	height: 100%;
-	font: 12px monospace;
+	font: 12px/15px monospace;
 	white-space: pre-wrap;
+	padding: 2px;
+	box-sizing: border-box;
+	-moz-box-sizing: border-box;
 }
 .serialized-cell {
 	border-left: 1px solid #363636;