#block-core-slider-fullscreen-ascend { 
  --h4-font-color: #FFFFFF; 
  --h4-font-size: 26px; 
  --button-font-color: #FFFFFF; 
  --button-font-size: 17px; 
  --button-style: hollow; 
  --button-background-color: transparent; 
  --button-border-color: #FFFFFF; 
  --button-border-color-hover: #FFFFFF; 
  --button-background-color-hover: transparent; 
  --button-font-color-active: #FFFFFF; 
  --button-font-color-hover: #FFFFFF; 
}