.fl-node- .fl-content-slider-wrapper {
	opacity: 0;
}
.fl-node- .fl-content-slider,
.fl-node- .fl-slide {
	min-height: px;
}
.fl-node- .fl-slide-foreground {
	margin: 0 auto;
	max-width: px;
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'FLBuilderCSS' not found in /home/modular/gites-douelafontaine.fr/httpdocs/wp-content/plugins/bb-plugin/modules/content-slider/includes/frontend.css.php:14
Stack trace:
#0 {main}
  thrown in <b>/home/modular/gites-douelafontaine.fr/httpdocs/wp-content/plugins/bb-plugin/modules/content-slider/includes/frontend.css.php</b> on line <b>14</b><br />