<style>
/* Resize photo gallery navigation arrows */
.zso-gallery-arrow, 
.zs-gallery-prev, 
.zs-gallery-next,
[class*="gallery"] [class*="arrow"],
[class*="gallery"] [class*="prev"],
[class*="gallery"] [class*="next"] {
  font-size: 20px !important;
  width: 32px !important;
  height: 32px !important;
  line-height: 32px !important;
  transform: scale(1) !important; /* Scaled down to 70% */
}
</style>