Resolve "Add matomo stats"

Closes #33 (closed)

src/css/custom.css

@@ -339,3 +339,22 @@ html[data-theme='dark'] .menu__link {
       width: 330px;
   }
 }
+
+/******** Matomo & track *********/
+.matomo_optout {
+  border: 0; 
+  height: 200px; 
+  width: 600px;
+}
+
+.notrack_container {
+  display: flex;
+  justify-content: center;
+}
+
+.no_track {
+  margin-left: 12px;
+  margin-right: 12px;
+  width: 10rem;
+  height: auto;
+}