Fix blockquote font-size due to newer bootstrap

Author: llyyr

source/stylesheets/mpv/_bootstrap-changes.sass

@@ -35,7 +35,7 @@ a:hover .big-circle, a:hover .circle
 // blockquotes that change the font size. Override them with inherit.
 blockquote
   margin: 0
+  font-size: inherit
+  font-weight: inherit
   p
-    font-size: inherit
-    font-weight: inherit
     line-height: inherit