Merge pull request realpython#552 from ryush00/patch-1

serif failback

Author: sigmavirus24

docs/_themes/kr/static/flasky.css_t

@@ -14,7 +14,7 @@
 /* -- page layout ----------------------------------------------------------- */
 
 body {
-    font-family: 'goudy old style', 'minion pro', 'bell mt', Georgia, 'Hiragino Mincho Pro';
+    font-family: 'goudy old style', 'minion pro', 'bell mt', Georgia, 'Hiragino Mincho Pro' , serif;
     font-size: 17px;
     background-color: white;
     color: #000;
@@ -532,4 +532,4 @@ a:hover tt {
 
 .revsys-inline {
     display: none!important;
-}
+}