anchor changed to button

app/assets/javascripts/snippet/snippet_embed.js

@@ -6,7 +6,6 @@ export default () => {
   const embedAction = document.querySelector('#embed-action');
 
   shareBtn.addEventListener('click', (event) => {
-    event.preventDefault();
     shareBtn.classList.add('is-active');
     embedBtn.classList.remove('is-active');
     snippetUrlArea.value = `${protocol}//${host + pathname}`;
@@ -14,7 +13,6 @@ export default () => {
   });
 
   embedBtn.addEventListener('click', (event) => {
-    event.preventDefault();
     embedBtn.classList.add('is-active');
     shareBtn.classList.remove('is-active');
     const scriptTag = `<script src="${protocol}//${host + pathname}.js"></script>`;

app/assets/stylesheets/framework/dropdowns.scss

@@ -481,7 +481,7 @@
 
 .dropdown-menu-selectable {
   li {
-    a {
+    a, button {
       padding: 8px 40px;
       position: relative;
 

app/assets/stylesheets/framework/snippets.scss

@@ -63,7 +63,7 @@
     margin-left: -1px;
   }
 
-  .embed-toggle-list li a {
+  .embed-toggle-list li button {
     padding: 8px 40px;
   }
 

app/views/shared/snippets/_header.html.haml

@@ -38,10 +38,10 @@
             = sprite_icon('angle-down', size: 12)
           %ul.dropdown-menu.dropdown-menu-selectable.embed-toggle-list
             %li
-              %a#embed-btn.btn.btn-transparent.is-active{ href: "#" }
+              %button#embed-btn.btn.btn-transparent.is-active{ href: "#" }
                 %strong.embed-toggle-list-item Embed
             %li
-              %a#share-btn.btn.btn-transparent{ href: "#" }
+              %button#share-btn.btn.btn-transparent{ href: "#" }
                 %strong.embed-toggle-list-item Share
         %input#snippet-url-area.snippet-embed-input.form-control{ type: "text", autocomplete: 'off', value: snippet_embed }
         .input-group-btn