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<!doctype html><html><head><meta charset="UTF-8"></head><body class="header">

<style>
.fixed { position: fixed; top: 40px; right: 20px; margin-top: 20px; background: #ccf; }
.fixed-bottom-right { position: fixed; bottom: 4em; right: 25%; margin: 20px; background: #ccf; }

#absolute-container { position: relative; height: 150px; margin: 20px; }
.absolute { position: absolute; top: 20px; left: 400px; background: #fcc; }
.absolute-bottom-right { position: absolute; bottom: 20px; right: 50px; background: #fcc; }
.absolute-all-4 { position: absolute; top: 100px; bottom: 10px; left: 20px; right: 700px; background: #fcc; }
.absolute-negative { position: absolute; bottom: -25px; background: #fcc; }
.absolute-width-margin { position: absolute; top: 20px; right: 20px; width: 450px; margin: .3em; padding: 10px; border: 2px solid red; box-sizing: border-box; background: #fcc; }

.relative { position: relative; top: 10px; left: 10px; background: #cfc;}
.relative-inline { position: relative; top: 10px; left: 10px; display: inline; background: #cfc;}

.static { position: static; top: 10px; left: 10px; background: #fcf; }
.static-size { position: static; top: 10px; left: 10px; width: 300px; height: 100px; background: #fcf; }

#sticky-container {
  margin: 50px;
  height: 400px;
  width: 400px;
  padding: 40px;
  overflow: scroll;
}
#sticky-container dl {
    margin: 0;
    padding: 24px 0 0 0;
}

#sticky-container dt {
    background: #ffc;
    border-bottom: 1px solid #989EA4;
    border-top: 1px solid #717D85;
    color: #FFF;
    font: bold 18px/21px Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 2px 0 0 12px;
    position: sticky;
    width: 99%;
    top: 0px;
}

#sticky-container dd {
    font: bold 20px/45px Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0 0 0 12px;
    white-space: nowrap;
}

#sticky-container dd + dd {
    border-top: 1px solid #CCC
}
</style>

<h1>Positioning playground</h1>
<p>A demo of various positioning schemes: <a href="http://dev.w3.org/csswg/css-position/#pos-sch">http://dev.w3.org/csswg/css-position/#pos-sch</a>.</p>
<p>absolute, static, fixed, relative, sticky</p>

<h2>Absolute positioning</h2>
<div class="absolute">
  Absolute child with no relative parent
</div>
<div id="absolute-container">
  <div class="absolute">
    Absolute child with a relative parent
  </div>
  <div class="absolute-bottom-right">
    Absolute child with a relative parent, positioned from the bottom right
  </div>
  <div class="absolute-all-4">
    Absolute child with a relative parent, with all 4 positions
  </div>
  <div class="absolute-negative">
    Absolute child with a relative parent, with negative positions
  </div>
  <div class="absolute-width-margin">
    Absolute child with a relative parent, size, margin
  </div>
</div>

<h2>Relative positioning</h2>
<div id="relative-container">
  <div class="relative">
    Relative child
  </div>
  <div style="width: 100px;">
  <div class="relative-inline">
    Relative inline child, across multiple lines
  </div>
  </div>
  <div style="position:relative;">
    <div class="relative">
      Relative child, in a positioned parent
    </div>
  </div>
</div>

<h2>Fixed positioning</h2>
<div id="fixed-container">
  <div class="fixed">
    Fixed child
  </div>
  <div class="fixed-bottom-right">
    Fixed child, bottom right
  </div>
</div>

<h2>Static positioning</h2>
<div id="static-container">
  <div class="static">
    Static child with no width/height
  </div>
  <div class="static-size">
    Static child with width/height
  </div>
</div>

</body></html>