Removed the debug logging line from the Task decorator.
Also make use of the next_start_key as name for the new starting key.
.panel_wrapper div.current {
height: 290px;
}
#id, #style, #title, #dir, #hreflang, #lang, #classlist, #tabindex, #accesskey {
width: 200px;
}
#events_panel input {
width: 200px;
}