diff --git a/webapp_timeline.py b/webapp_timeline.py
index e00afa94..8d54ca4e 100644
--- a/webapp_timeline.py
+++ b/webapp_timeline.py
@@ -393,14 +393,7 @@ def htmlTimeline(cssCache: {}, defaultTimeline: str,
                                   iconsAsButtons)
 
     # start the timeline
-    tlStr += '<table class="timeline">\n'
-    tlStr += '  <colgroup>\n'
-    tlStr += '    <col span="1" class="column-left">\n'
-    tlStr += '    <col span="1" class="column-center">\n'
-    tlStr += '    <col span="1" class="column-right">\n'
-    tlStr += '  </colgroup>\n'
-    tlStr += '  <tbody>\n'
-    tlStr += '    <tr>\n'
+    tlStr += '<div class="timeline">\n'
 
     domainFull = getFullDomain(domain, port)
 
@@ -409,11 +402,11 @@ def htmlTimeline(cssCache: {}, defaultTimeline: str,
         getLeftColumnContent(baseDir, nickname, domainFull,
                              httpPrefix, translate,
                              editor, False, None, rssIconAtTop,
-                             True, False, theme)
-    tlStr += '  <td valign="top" class="col-left">' + \
-        leftColumnStr + '  </td>\n'
+                             True, False)
+    tlStr += '  <div class="col-left">\n' + \
+        leftColumnStr + '  </div>\n'
     # center column containing posts
-    tlStr += '  <td valign="top" class="col-center">\n'
+    tlStr += '  <div class="col-center">\n'
 
     if not fullWidthTimelineButtonHeader:
         tlStr += \
@@ -602,7 +595,7 @@ def htmlTimeline(cssCache: {}, defaultTimeline: str,
     tlStr += '  </div>\n'
 
     # end of column-center
-    tlStr += '  </td>\n'
+    tlStr += '  </div>\n'
 
     # right column
     rightColumnStr = getRightColumnContent(baseDir, nickname, domainFull,
@@ -612,15 +605,13 @@ def htmlTimeline(cssCache: {}, defaultTimeline: str,
                                            False, None, True,
                                            showPublishAsIcon,
                                            rssIconAtTop, publishButtonAtTop,
-                                           authorized, True, theme)
-    tlStr += '  <td valign="top" class="col-right">' + \
-        rightColumnStr + '  </td>\n'
-    tlStr += '  </tr>\n'
+                                           authorized, True)
+    tlStr += '  <div class="col-right">' + \
+        rightColumnStr + '  </div>\n'
 
     _logTimelineTiming(enableTimingLog, timelineStartTime, boxName, '9')
 
-    tlStr += '  </tbody>\n'
-    tlStr += '</table>\n'
+    tlStr += '</div>\n'
     tlStr += htmlFooter()
     return tlStr