how to customize nowindicator in fullcalendar code example

Example: how to customize nowindicator in fullcalendar

Please add this CSS code in your <style> tag.

.fc-direction-ltr .fc-timegrid-now-indicator-arrow {
    left: 0;
    border-width: 10px 33px 10px 11px;
    border-radius: 0px 10px 10px 0px;
    opacity: .7;
}
.fc .fc-timegrid-now-indicator-arrow {
    position: absolute;
    z-index: 4;
    margin-top: -10px;
    border-style: solid;
    border-color: #F2CB05;
}
.fc .fc-timegrid-now-indicator-line {
    opacity: .7;
    position: absolute;
    z-index: 4;
    left: 0;
    right: 0;
    margin-top: -2px;
    border-style: solid;
    border-color: #F2CB05;
    border-color: var(--fc-now-indicator-color,#F2CB05);
    border-width: 5px 0 0;
}

I'm sure that you can see the result. :)