Fixed questionset styling in boardgame.

css/questionset.css

@@ -107,7 +107,7 @@
   text-align: left;
   font-size: 1.25em;
   line-height: 1.25em;
-  margin: 1em 4em;
+  margin: 1em 3em;
   padding-left: 3em;
   min-height: 3em;
   background-repeat: no-repeat;

js/questionset.js

@@ -35,7 +35,7 @@ H5P.QuestionSet = function (options, contentId) {
           '</div>' +
           '<% } %>' +
           '<div class="questionset<% if (introPage.showIntroPage) { %> hidden<% } %>">' +
-          '  <div class="title"><%= title %></div>' +
+          '  <% if (title !== "") { %><div class="title"><%= title %></div><% } %>' +
           '  <% for (var i=0; i<questions.length; i++) { %>' +
           '    <div class="question-container" id="q-<%= i %>">' +
           '      <div><%= questions[i].library %></div>' +