Added crossroads section, full-block program section links, header links hovering

majak_uistyleguide/templates/patterns/molecules/blocks/icon_title_text_block.html

-<div class="grid-container mb-12">
-<i class="grid-left-side {{ icon }} mr-6 text-6xl xl:justify-self-end"></i>
-<div class="grid-content flex flex-col">
-  <h3 class="font-alt mb-4 text-4xl">
-    {{ icon_title_title }}
-  </h3>
-  <p class="leading-6">
-    {{ icon_title_text }}
-  </p>
-</div>
-</div>
+{% if icon_title_url %}
+  <a href="{{ icon_title_url }}" class="hover:no-underline grid-container mb-12">
+{% else %}
+  <div class="grid-container mb-12">
+{% endif %}
+
+  <i class="grid-left-side {{ icon }} mr-6 text-6xl xl:justify-self-end"></i>
+  <div class="grid-content flex flex-col">
+    <h3 class="font-alt mb-4 text-4xl">
+      {{ icon_title_title }}
+    </h3>
+    <p class="leading-6">
+      {{ icon_title_text }}
+    </p>
+  </div>
+
+{% if icon_title_url %}
+  </a>
+{% else %}
+  </div>
+{% endif %}