Events that start or end in hidden areas are marked with *_event_continueleft and *_event_continueright classes.
Example from scheduler_white theme:
.scheduler_white_event_continueright .scheduler_white_event_inner { border-top-right-radius: 0px; border-bottom-right-radius: 0px; border-right-style: dotted; } .scheduler_white_event_continueleft .scheduler_white_event_inner { border-top-left-radius: 0px; border-bottom-left-radius: 0px; border-left-style: dotted; }