diff -r f907592596bf -r 7cdbe0f6e5c2 src/pyams_content/skin/resources/css/pyams_content.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/skin/resources/css/pyams_content.css	Thu Jun 02 15:31:37 2016 +0200
@@ -0,0 +1,42 @@
+.ams-widget.comments .widget-body {
+  position: fixed;
+  height: calc(100% - 310px);
+}
+.ams-widget.comments .widget-body .chat-body {
+  position: relative;
+  height: 100%;
+}
+.ams-widget.comments .widget-body .chat-footer {
+  position: fixed;
+  bottom: 10px;
+}
+.ams-widget.comments .widget-body,
+.ams-widget.comments .widget-body .chat-footer {
+  width: calc(100% - 240px);
+}
+@media (max-width: 767px) {
+  .ams-widget.comments .widget-body,
+  .ams-widget.comments .widget-body .chat-footer {
+    width: calc(100% - 10px);
+  }
+}
+@media (min-width: 768px) and (max-width: 979px) {
+  .ams-widget.comments .widget-body,
+  .ams-widget.comments .widget-body .chat-footer {
+    width: calc(100% - 20px);
+  }
+}
+.minified .ams-widget.comments .widget-body,
+.minified .ams-widget.comments .widget-body .chat-footer {
+  width: calc(100% - 65px);
+}
+@media (max-width: 767px) {
+  .minified .ams-widget.comments .widget-body,
+  .minified .ams-widget.comments .widget-body .chat-footer {
+    width: calc(100% - 55px);
+  }
+}
+.hidden-menu .ams-widget.comments .widget-body,
+.hidden-menu .ams-widget.comments .widget-body .chat-footer {
+  width: calc(100% - 30px);
+}