.heading-section::after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  right: -4rem;
  clip-path: polygon(0% 0%, 100% 50%, 0% 100%);
  height: 100%;
  width: 4rem;
}

.heading-section::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: -100rem;
  height: 100%;
  width: 100rem;
}