update demo

Author: dzmitry-stramavus

Diff for: examples/src/index.html

@@ -70,14 +70,14 @@ <h2>
         <a
            id="view-github-btn"
            href="https://github.com/scaleflex/js-cloudimage-responsive"
-           class="btn btn-primary btn-lg"
+           class="btn btn-primary"
            target="_blank"
         >View on GitHub</a>
         <a
            href="https://codesandbox.io/s/6jkovjvkxz"
-           class="btn btn-light btn-lg"
+           class="btn btn-light"
            target="_blank"
-        >Play on CodeSandbox</a>
+        >Play in CodeSandbox</a>
         <!--<a href="#" class="btn btn-light btn-lg">Read on Medium</a>-->
       </div>
     </div>