DOMUI: Fix an issue where the sample font text would display outside its

containing div. Also fix a margin issue.

BUG=70650
TEST=none

Review URL: http://codereview.chromium.org/6241014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@72369 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/options/font_settings.css

 #font-settings > section > .font-input-div {
-  -webkit-margin-end: 5em;
+  -webkit-margin-end: 4em;
 }
 
 .font-input-div > div > select {
@@ -11,6 +11,8 @@
 }
 
 #font-settings > section > .font-sample-div {
+  height: 90px;
+  overflow: hidden;
   position: absolute;
 }