TOPIC:

@media only screen and (max-width: 768px) {
   /* Force table to not be like tables anymore */
   table, thead, tbody, th, td,tr {
      display: inline;
   }
   
   /* Nobody needs the Row with the daynames anymore */
   tr.daynamesRow {
      display:none;
   }
   
   /* Save place for the important information */
   td.nomonthday {
      display:none;
   }

   /* Otherwhise there are some litle borders */
   div#jem td {
      border: 0px solid #cacaca;
   }
   
   /* This runs only if you change somethin in the calendar.class.php
    * change line 643 from:
    * $out = "<td class=\"".implode(' ', $cssClass)."\"><div class=\"daynum\">".$linktext.'</div>'.$eventContent."</td>";
    * to:
    * $out = "<td class=\"".implode(' ', $cssClass)."\"><div class=\"daynum\"  eemonthname=\"".$this->getMonthName()."\" eedayname=\"".$this->getDayName($this->getWeekday($var))."\">".$linktext.'</div>'.$eventContent."</td>";
    * after this you will see the days like "Mo, 2. August" instead of only the daynumber */
   td.monthday div.daynum::after {
      content: ". " attr(eemonthname);
   }
   
   td.monthday div.daynum::before {
      content: attr(eedayname) ", ";
   }
}