pedagogy: translations for semesters in details and handle markdown

core/static/core/style.scss

@@ -1781,7 +1781,7 @@ label {
       margin: 0px;
     }
 
-    .text {
+    .markdown {
       height: 125px;
       margin-top: 0px;
       margin-right: 0px;
@@ -1790,5 +1790,5 @@ label {
       overflow: auto;
       text-align: justify;
     }
-  }  
+  }
 }