If it is not possible or desirable to put the notice in a particular
  file, then You may include the notice in a location (such as a LICENSE
  file in a relevant directory) where a recipient would be likely to
  look for such a notice.

  You may add additional accurate notices of copyright ownership.

================================================================

github.com/elastic/go-elasticsearch/v7

{\n  .btn-#{$color} {\n    @include button-variant($value, $value);\n  }\n}\n\n@each $color, $value in $theme-colors {\n  .btn-outline-#{$color} {\n    @include button-outline-variant($value);\n  }\n}\n\n\n//\n// Link buttons\n//\n\n// Make a button look and behave like a link\n.btn-link {\n  font-weight: $font-weight-normal;\n  color: $link-color;\n  text-decoration: $link-decoration;\n\n  @include hover {\n    color: $link-hover-color;\n    text-decoration: $link-hover-decoration;\n  }\n\n  &:focus,\n...