Fixing issue with generic.css and overlapping in view scaffolds.

Thanks to 'euromark' for the patch.
Fixes #1787

app/webroot/css/cake.generic.css

@@ -215,6 +215,7 @@ dt {
 	font-weight: bold;
 	padding-left: 4px;
 	vertical-align: top;
+	width: 10em;
 }
 dd {
 	margin-left: 10em;
@@ -536,4 +537,4 @@ div.code-coverage-results span.result-good {
 /** Elements **/
 #url-rewriting-warning {
 	display:none;
-}
+}