You may need the latest Time.ly release of the FREE PREMIUM EDITION to change the CSS.
In the file calendar.css in wp-content/themes-ai1ec/umbra (or whatever theme you are using)/css/
Easiest way to find the code is to search (Ctrl + F keys on keyboard) for “poster”
change the filter: alpha(opacity=7);
to filter: alpha(opacity=50);
.ai1ec-posterboard-view .ai1ec-date-block-wrap . . . → Read More: All In One Event Calendar IE7 and IE8 Poster board view Date and Month Opacity Fix
****DATES Do not put DATES as text in the event description. You may reuse the events or the event may be recurring. The actual date is entered in a separate window below. Log In
to the end of your url (ex. http://www.mysitename.com/wp-admin)
Hit Enter on keyboard Click on Events
Add a New . . . → Read More: Using Dynamic Content Gallery to display Events from All In One Event Calendar
Plugins Used In This Tutorial: Dynamic Content Gallery Resize At Upload Plus All-In-One Event Calendar This first video is how to check that your settings in Resize At Upload Plus match your Dynamic Content Gallery image sizes.
Add an event with All-In-One Event Calendar which will be displayed in your “rotating pictures” with your . . . → Read More: ADD AN EVENT WITH ALL-IN-ONE EVENT CALENDAR AND DYNAMIC CONTENT GALLERY
Get Your Free Copy of All-in-One Event Calendar by Timely Version 1.8.3-premium – This is the only version that will allow you to change the CSS. All-In-One-Event-Calendar – Change the color of the widget background / Change color of Month background in widget
You will need to download Version 1.8.3 Premium, then use an HTML . . . → Read More: All In One Event Calendar CSS