Hi Joshua,
Thanks for the update.
We have validated your requirement at our end and you can modify
the size of the event popup window by overwriting the default CSS like the
below.
.e-quick-popup-wrapper.e-device.e-lib.e-popup.e-control.e-popup-open {
height: 240px
!important;
top: 90px
!important;
}
Output:

Sample: https://stackblitz.com/edit/react-x9ryhr?file=index.js
Kindly try the above sample and get back to us if you need
any further assistance.
Regards,
Ruksar Moosa Sait