ft-toggle" type="button">&nbsp;</button>
  <ol class="breadcrumbs gt-separated dark hidden-xs">
    <li><a href="index.html">onboarding_anim</a></li>
    <li><a href="dart-math/dart-math-library.html">dart:math</a></li>
    <li><a href="dart-math/Rectangle-class.html">Rectangle<span class="signature">&lt;<wbr><span class="type-parameter">T extends num</span>&gt;</span></a></li>
    <li class="self-crumb">width property</li>
  </ol>
  <div class="self-name">width</div>
  <form class="search navbar-right" rol