Fixes on buttons/dropdown layout

src/templates/_macros/_add_new_menu.pug

@@ -6,8 +6,9 @@
 | {% if node_type_name == 'group' %}
 | {% set node_type_name = 'folder' %}
 | {% endif %}
-li.dropdown-item(class="button-{{ node_type['name'] }}")
-	a.item_add_node(
+li(class="button-{{ node_type['name'] }}")
+	a.dropdown-item(
+		class="item_add_node",
 		href="#",
 		title="{{ node_type['description'] }}",
 		data-node-type-name="{{ node_type['name'] }}",

src/templates/nodes/custom/asset/video/view_embed.pug

@@ -23,7 +23,7 @@ section.node-preview.video
 
 | {% block node_download %}
 | {% if node.file_variations %}
-button.btn.btn-outline-secondary.dropdown-toggle(
+button.btn.btn-sm.btn-outline-primary.dropdown-toggle.px-3(
 	type="button",
 	data-toggle="dropdown",
 	aria-haspopup="true",

src/templates/nodes/view_base.pug

@@ -93,8 +93,8 @@
 						title="Download {{ node.properties.content_type | undertitle }}",
 						href="{{ node.file.link }}",
 						download="{{ node.file.filename }}")
-						button.btn.btn-outline-success.px-3(type="button")
-							i.pi-download
+						button.btn.btn-sm.btn-outline-primary.px-3(type="button")
+							i.pi-download.pr-2
 							| Download
 					| {% endblock node_download %}