change level category look (#610)

* change level category look

* Change to names, remove diataxis.

---------

Co-authored-by: Thomas Wiecki <thomas.wiecki@gmail.com>

Author: OriolAbril

_templates/postcard_categories.html

@@ -11,12 +11,10 @@
   {% endif %}
 {%- endmacro -%}
 
-
-{%- macro category_item(name, icon, active) -%}
+{%- macro category_item(name, active) -%}
 <a href="{{ pathtocategory(name) }}" class="{{ setcolorclass(active) }}" title="{{ name }}">
-    <span class="fas {{ icon }}"></span>
-    <label class="sr-only">{{ name }}</label>
-  </a>
+  <b>{{ name }}</b>
+</a>
 {%- endmacro -%}
 
 <!-- {% set post = "" %} -->
@@ -33,32 +31,16 @@ <h3>
   {% set b_bool = "beginner" in post.category|map('string') %}
   {% set a_bool = "advanced" in post.category|map('string') %}
   <div class="container">
-    <div class="row">
+    <div class="row sd-fs-6">
       <div class="col">
-        {{ category_item("beginner", "fa-crow", b_bool) }}
+        {{ category_item("beginner", b_bool) }}
       </div>
       <div class="col">
-        {{ category_item("intermediate", "fa-dove", i_bool) }}
+        {{ category_item("intermediate", i_bool) }}
       </div>
       <div class="col">
-        {{ category_item("advanced", "fa-dragon", a_bool) }}
+        {{ category_item("advanced", a_bool) }}
       </div>
     </div>
   </div>
-
-  <!-- diataxis type categories -->
-  <div class="container sd-fs-6 sd-font-weight-bold">
-    <div class="row border-top border-bottom">
-      {% set t_bool = "tutorial" in post.category|map('string') %}
-      <div class="col"><a class="{{ setcolorclass(t_bool) }}" href="{{ pathtocategory('tutorial') }}">Tutorial</a></div>
-      {% set h_bool = "how-to" in post.category|map('string') %}
-      <div class="col"><a class="{{ setcolorclass(h_bool) }}" href="{{ pathtocategory('how-to') }}">How-to</a></div>
-      <div class="w-100"></div>
-      {% set e_bool = "explanation" in post.category|map('string') %}
-      <div class="col"><a class="{{ setcolorclass(e_bool) }}" href="{{ pathtocategory('explanation') }}">Explanation</a></div>
-      {% set r_bool = "reference" in post.category|map('string') %}
-      <div class="col"><a class="{{ setcolorclass(r_bool) }}" href="{{ pathtocategory('reference') }}">Reference</a></div>
-    </div>
-  </div>
-
 </div>