Bear in mind that you might need to use !important at the end of your CSS definitions.
dingbee-badge-container
Color and width of border or inner border can be modified.
dingbee-badge-title
The name of the event. Color, font size etc. can be modified.
dingbee-badge-time
Date and time of the event.
dingbee-badge-button-l
Add to dingbee button. Using the background property another icon can be used as a button.
<dingbee event URL> + ?a=add&r=bhttp://dingbee.com/engin/Test_event/0300000c56886c2a2231f3cf673e35903ee8?a=add&r=bIf you're experiencing problems or need further help please visit the widget help page here.