fix small issues

Author: xmnlab

pages/opportunities/templates/candidate-proposal/index.md

@@ -17,7 +17,7 @@ Instructions:
   the square brackets [ and ] themselves.
 ```
 
-```
+```md
 # [Project Proposal Name]
 
 ## Candidate Info

pages/opportunities/templates/projects-ideas/index.md

@@ -20,7 +20,7 @@ Instructions:
   consistency.
 ```
 
-```
+```md
 ## Project Idea 1: [Project Idea 1 Title]
 
 ### Abstract

theme/projects.html

@@ -9,6 +9,7 @@
 {% endblock header_extra%}
 
 {% set colors=["", "bg-light"] %}
+{% set text_colors=["", "text-secondary"] %}
 
 {% block content %}
 <section>
@@ -43,11 +44,11 @@ <h2>
               {{ project.name }}
             </a>
           </h2>
-          <p>
+          <p class="{{ text_colors[loop.index % 2] }}">
             <strong>Maintainer</strong>: {{ project.maintainer_name }}
             &lt;<a href="mailto:{{ project.maintainer_email }}">{{ project.maintainer_email }}</a>&gt;
           </p>
-          <p>{{ project.description }}</p>
+          <p class="{{ text_colors[loop.index % 2] }}">{{ project.description }}</p>
         </div>
       </div>
       {% endfor %}