fix: position of the link to the documentation

Signed-off-by: Graham White <gwhite@uk.ibm.com>

src/app.css

@@ -1,10 +1,8 @@
 footer {
     display: none !important;
 }
-.gr_docs_link {
-    float: right;
-    font-size: var(--text-xs);
-    margin-top: 2px;
+.gr_docs_link a {
+    color: #78A9FF;
 }
 .gr_title {
     display: flex;