Fix issue #220

Author: 任庆伟

src/styles/_reset.scss

@@ -169,3 +169,21 @@ a {
     color: inherit;
   }
 }
+
+article > a {
+  color: #3078df;
+}
+
+article > a:hover {
+  color: #3078df;
+  text-decoration: underline;
+}
+
+article > a:active {
+  color: #69a8f8;
+  text-decoration: underline;
+}
+
+article > a:visited {
+  color: #235496;
+}