diff --git a/templates/question-checkbox.html b/templates/question-checkbox.html
index 3a63df1..4e398c9 100644
--- a/templates/question-checkbox.html
+++ b/templates/question-checkbox.html
@@ -5,10 +5,16 @@
 <fieldset data-role="controlgroup">
     <div class="list-group">
     {% for n, opt in enumerate(q['options']) %}
-            <a class="list-group-item">
-                <input type="checkbox" id="{{i}}:{{n}}" name="{{i}}" value="{{n}}">
-                <label for="{{n}}">{{ md(opt, q) }}</label>
-            </a>
+        <a class="list-group-item">
+            <div class="d-flex flex-row">
+                <div class="p-1">
+                    <input type="checkbox" id="{{i}}:{{n}}" name="{{i}}" value="{{n}}">
+                </div>
+                <div class="p-1">
+                    <label for="{{n}}">{{ md(opt, q) }}</label>
+                </div>
+            </div>
+        </a>
     {% end %}
     </div>
 </fieldset>
diff --git a/templates/question-radio.html b/templates/question-radio.html
index 5688b34..c8bc4bb 100644
--- a/templates/question-radio.html
+++ b/templates/question-radio.html
@@ -5,10 +5,16 @@
 <fieldset data-role="controlgroup">
     <div class="list-group">
     {% for n, opt in enumerate(q['options']) %}
-            <a class="list-group-item">
-                <input type="radio" id="{{i}}:{{n}}" name="{{i}}" value="{{n}}">
-                <label for="{{n}}">{{ md(opt, q) }}</label>
-            </a>
+        <a class="list-group-item">
+            <div class="d-flex flex-row">
+                <div class="p-1">
+                    <input type="radio" id="{{i}}:{{n}}" name="{{i}}" value="{{n}}">
+                </div>
+                <div class="p-1">
+                    <label for="{{n}}">{{ md(opt, q) }}</label>
+                </div>
+            </div>
+        </a>
     {% end %}
     </div>
 </fieldset>
diff --git a/tools.py b/tools.py
index d08a850..e3f06db 100644
--- a/tools.py
+++ b/tools.py
@@ -124,7 +124,7 @@ class HighlightRenderer(mistune.Renderer):
         return fr'$$$ {text} $$$'
 
 
-markdown = MarkdownWithMath(HighlightRenderer(escape=False)) # hard_wrap=True to insert <br> on newline
+markdown = MarkdownWithMath(HighlightRenderer(escape=True)) # hard_wrap=True to insert <br> on newline
 
 def md_to_html(text, q=None):
     return markdown(text)
@@ -135,8 +135,14 @@ def md_to_html(text, q=None):
 def load_yaml(filename, default=None):
     try:
         f = open(path.expanduser(filename), 'r', encoding='utf-8')
+    except FileNotFoundError:
+        logger.error(f'Can\'t open "{script}": not found.')
+        return default
+    except PermissionError:
+        logger.error(f'Can\'t open "{script}": no permission.')
+        return default
     except IOError:
-        logger.error(f'Can\'t open file "{filename}"')
+        logger.error(f'Can\'t open file "{filename}".')
         return default
     else:
         with f:
--
libgit2 0.21.2