bootstrap/scss/helpers/_stretched-link.scss

@use "../variables" as *;

@layer helpers {
  .stretched-link {
    &::#{$stretched-link-pseudo-element} {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      z-index: $stretched-link-z-index;
      content: "";
    }
  }
}