.b-dayview-subtick{
  font-size:70%;
  padding:0.3em 0.9em;
  display:grid;
  grid-template-rows:1fr 1fr;
  z-index:3;
  color:#999;
  pointer-events:none;
}
.b-dayview-subtick .capacity{
  text-align:end;
  display:grid;
  align-content:end;
}
.b-dayview-subtick:not(.unused) .time{
  visibility:hidden;
}
.b-dayview-subtick.overbooked .capacity{
  color:red;
}

.b-cal-event-wrap.overbooked .b-cal-event{
  --cal-event-color:red;
}