@mixin theme-strings-layer($width, $stringSize, $color, $indent) {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  height: 100%;
  width: $width;
  border-left: $stringSize solid $color;
  border-right: $stringSize solid $color;

  &::before, &::after {
    content: "";
    width: $stringSize;
    height: 100%;
    background-color: $color;
    position: absolute;
    top: 0;
  }

  &::before {
    left: $indent;
  }

  &::after {
    right: $indent;
  }
}