Answers for "how to style the arrow of the slick carousel"

slick arrow css

.slick-prev:before {
  content: "<";
  color: red;
  font-size: 30px;
}

.slick-next:before {
  content: ">";
  color: red;
  font-size: 30px;
}

slick slider custom arrows

prevArrow: '<button class="slide-arrow prev-arrow"></button>',
    nextArrow: '<button class="slide-arrow next-arrow"></button>'