Add theme for quotes

Author: derdilla

sass/_base.scss

@@ -78,3 +78,13 @@ footer {
 		padding: 1em;
 	}
 }
+
+blockquote {
+    margin: 0.5em;
+    color: #ddd;
+    border-radius: 1px;
+    border-left-style: solid;
+    border-left-color: #999;
+    border-left-width: 2px;
+    padding-left: 12px;
+}