dont let bootstrap style today

packages/bootstrap/src/main.ts

@@ -14,7 +14,6 @@ BootstrapTheme.prototype.classes = {
   popover: 'card card-primary',
   popoverHeader: 'card-header',
   popoverContent: 'card-body',
-  today: 'alert alert-info',
   bordered: 'card card-primary fc-bootstrap-bordered'
 }
 

packages/core/src/styles/_bg.scss

@@ -36,10 +36,7 @@
 // today <td>
 // DIFFERENT SYSTEM, not within a shared container
 
-.fc-theme-standard {
-
-  .fc-day-today {
-    background: rgba(255, 220, 40, 0.15);
-  }
-
+// for all themes. bootstrap didn't provide a good semi-transparent color for this
+.fc-day-today {
+  background: rgba(255, 220, 40, 0.15);
 }