Update docs

Author: mrmrs

docs/typography/scale/index.html

@@ -87,8 +87,8 @@ <h3 class="f6 ttu tracked mt0">Type Scale</h3>
           If you don't like a default font-size for an element, use the utilities to quickly make the text larger or smaller until it looks just right.
         </p>
       </article>
-      <div class="ph3 ph5-ns pt4 pb5">
-        <blockquote class="f5 gray measure lh-copy mh0 mb4 mb5-ns">
+      <div class="ph3 ph5-ns pb5">
+        <blockquote class="f5 black-70 measure lh-copy mh0 mb4 mb5-ns">
           <p class="i">
             "The simplest scale is a single note, and sticking with a single note draws more attention to other parameters, such as rhythm and inflection... In the sixteenth century, a series of common sizes developed among European typographers, and the series survived with little change and few additions for 400 years... This is the typographic equivalent of the diatonic scale."
           </p>