Brompton: Recompile styles with the latest varia changes

- Add `.background-dim` support
- Fix Button color selector specificity
- Add table block support
- Clean up cover block styles
- Clean up utility styles

brompton/style.css

@@ -2490,50 +2490,42 @@ table.is-style-stripes tbody tr:nth-child(odd),
 .has-primary-background-color,
 .has-primary-background-color.has-background-dim {
 	background-color: #C04239;
-	color: #E8E4DD;
 }
 
 .has-secondary-background-color,
 .has-secondary-background-color.has-background-dim {
 	background-color: #FFFFFF;
-	color: #E8E4DD;
 }
 
 .has-background-dim,
 .has-foreground-background-color,
 .has-foreground-background-color.has-background-dim {
 	background-color: #252E36;
-	color: #E8E4DD;
 }
 
 .has-foreground-light-background-color,
 .has-foreground-light-background-color.has-background-dim {
 	background-color: #666666;
-	color: #E8E4DD;
 }
 
 .has-foreground-dark-background-color,
 .has-foreground-dark-background-color.has-background-dim {
 	background-color: #474747;
-	color: #E8E4DD;
 }
 
 .has-background-light-background-color,
 .has-background-light-background-color.has-background-dim {
 	background-color: #CFCDC7;
-	color: #252E36;
 }
 
 .has-background-dark-background-color,
 .has-background-dark-background-color.has-background-dim {
 	background-color: #B9B6B2;
-	color: #252E36;
 }
 
 .has-background-background-color,
 .has-background-background-color.has-background-dim {
 	background-color: #E8E4DD;
-	color: #252E36;
 }
 
 .is-small-text,