ter */
  filter: blur(0px);
  width: 100px;
  height: 50px;
  background-color: lightblue;
}
#fixed, #absolute {
  width: 100px;
  height: 100px;
}
#fixed {
  position: fixed;
  top: 100px;
  left: 150px;
  background-color: green;
}
#absolute {
  position: absolute;
  top: 200px;
  left: 300px;
  background-color: blue;
}
</style>

<div id="scroller">
  <div class="spacer">
  </div>
  <div id="filter">
    <div id="fixed"></div>
    <div id="absolute"></div>
  </div>
  <div class="spacer">
  </div>
</div>
