I have tried to create a proxy component of the adobe core component - Carousel-v1 (https://aemcomponents.dev/content/core-components-examples/library/container/carousel.html).
sling:resourceSuperType - core/wcm/components/carousel/v1/carousel
In the AEM Product catalog page of carousal , the buttons are icons :

In my proxy component , the icons are coming as buttons :
.
Which CSS should i call to make it like the catalog page ?
AEM 6.5.5.0 is the version.