descope this PR to just improving links

Author: adrn

tutorials/_static/custom.css

@@ -7,6 +7,7 @@ div.body {
 
 div.body p {
     font-size: 15px;
+    line-height: 20px;
 }
 
 span.inputnumrole {
@@ -17,11 +18,17 @@ span.outputnumrole {
     color: #D84315
 }
 
-.intro {
-    background-color: #d8ebf3;
-    padding: 12px;
-    border: 1px solid #9dcde1;
-    border-radius: 6px;
-    margin-top: 32px;
-    margin-bottom: 32px;
+button {
+    border-radius: 5px;
+    border-width: 0;
+    padding: 6px 10px 6px 10px;
+    cursor: pointer;
+    margin-right: 12px;
+    color: #ffffff;
+    font-size: 10pt;
+    background-image: linear-gradient(to bottom, #FFA47D 0%, #FF7D45 100%)
+}
+
+#spacer {
+    margin-top: 24px;
 }

tutorials/astropy.tpl

@@ -1,17 +1,34 @@
 {%- extends 'display_priority.tpl' -%}
 
 {% block header %}
+
 {# Remove the exec_ prefix #}
 {% set nb_name = resources.metadata.name[5:] %}
-`Download tutorial notebook <../_static/{{ nb_name }}/{{ nb_name }}.ipynb>`_ -
-`Interactive tutorial notebook <https://beta.mybinder.org/v2/gh/astropy/astropy-tutorials/master?filepath=/tutorials/notebooks/{{ nb_name }}/{{ nb_name }}.ipynb>`_
+
+.. raw:: html
+
+    <a href="../_static/{{ nb_name }}/{{ nb_name }}.ipynb"><button id="download">Download tutorial notebook</button></a>
+    <a href="https://beta.mybinder.org/v2/gh/astropy/astropy-tutorials/master?filepath=/tutorials/notebooks/{{ nb_name }}/{{ nb_name }}.ipynb"><button id="binder">Interactive tutorial notebook</button></a>
+
+    <div id="spacer"></div>
 
 .. role:: inputnumrole
 .. role:: outputnumrole
 
 .. _{{nb_name}}:
 {% endblock %}
 
+{% block footer %}
+
+.. raw:: html
+
+    <div id="spacer"></div>
+
+    <a href="../_static/{{ nb_name }}/{{ nb_name }}.ipynb"><button id="download">Download tutorial notebook</button></a>
+    <a href="https://beta.mybinder.org/v2/gh/astropy/astropy-tutorials/master?filepath=/tutorials/notebooks/{{ nb_name }}/{{ nb_name }}.ipynb"><button id="binder">Interactive tutorial notebook</button></a>
+
+{% endblock %}
+
 {% block in_prompt %}
 
 :inputnumrole:`In[{{  cell['execution_count'] }}]:`
@@ -87,14 +104,7 @@
 {% endblock data_html %}
 
 {% block markdowncell scoped %}
-{% if cell.source.startswith('# Introduction') %}
-.. rst-class:: intro
-
-{{ cell.source | markdown2rst }}
-{% else %}
 {{ cell.source | markdown2rst }}
-{% endif %}
-
 {% endblock markdowncell %}
 
 {%- block rawcell scoped -%}