message: fix docs: warning label appearing offscreen
diff: }
  </style>
  <header class='warning'>
  + <p>
  This is the <strong>unpublished</strong> documentation of
  <code>wasm-pack</code>, the published documentation is available
  <a href="https://rustwasm.github.io/docs/wasm-pack/">
  on the main Rust and WebAssembly documentation site
  </a>. Features documented here may not be available in released versions of
  <code>wasm-pack</code>.
  + </p>
  </header>
  