Change CSS class proj_desc to proj-desc

Fix #70

static/css/elegant.css

@@ -606,7 +606,7 @@ ul.list-all-articles li time {
     font-size: 75%;
     font-weight: normal;
 }
-.proj_desc {
+.proj-desc {
     color: #999;
     font: .9em 'PT Sans', 'Helvetica Neue', Arial, Sans-Serif;
 }

templates/index.html

@@ -31,7 +31,7 @@
             {% for project in PROJECTS %}
             <ul class="list-all-articles">
                 <li>
-                <a href="{{ project.url }}" title="{{ project.name }}">{{ project.name }}</a> <span class="proj_desc">{{ project.description }}</span>
+                <a href="{{ project.url }}" title="{{ project.name }}">{{ project.name }}</a> <span class="proj-desc">{{ project.description }}</span>
                 </li>
             </ul>
             {%endfor %}