vivaldi

<div class="window-buttongroup"><button tabindex="-1" class="window-minimize"><svg width="10" height="10" viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg">
  <path d="M0 5H10V6H0V5Z"></path>
</svg>
</button><button tabindex="-1" class="window-maximize"><svg class="window-maximize" xmlns="http://www.w3.org/2000/svg" width="10" height="10" viewBox="0 0 10 10">

  <g class="window-maximize-glyph">
    <path d="M9 1v8H1V1h8m1-1H0v10h10V0z"></path>
  </g>

  <g class="window-restore-glyph">
    <path d="M3 0H2v2H0v8h8V8h2V0H3zm4 9H1V3h6v6zm2-2H8V2H3V1h6v6z"></path>
  </g>
</svg>
</button><button tabindex="-1" class="window-close"><svg xmlns="http://www.w3.org/2000/svg" width="10" height="10" viewBox="0 0 10 10">
  <path d="M10.2.5l-.7-.7L5 4.3.5-.2l-.7.7L4.3 5-.2 9.5l.7.7L5 5.7l4.5 4.5.7-.7L5.7 5"></path>
</svg>
</button></div>