How Can I Position an Element Fixed Vertically and Absolute Horizontally While Scrolling?

Position Element Fixed Vertically, Absolute Horizontally

The user sought a solution for a button that remained a set distance from the right edge of a div, regardless of viewport size, while scrolling with the window. This can be achieved using the following strategy:

HTML Structure

<div class="inflow">
  <div class="positioner"> <!-- May not be needed -->
    <div class="fixed"></div>
  </div>
</div>

CSS Styling

div.inflow {
  width: 200px;
  height: 1000px;
  border: 1px solid blue;
  float: right;
  position: relative;
  margin-right: 100px;
}

div.fixed {
  width: 80px;
  border: 1px solid red;
  height: 100px;
  position: fixed;
  top: 60px;
  margin-left: 15px;
}

Key Points

• Fixed Vertical Position: The position: fixed on div.fixed ensures it scrolls with the window.
• Absolute Horizontal Position: The fixed horizontal position is not set directly. Instead, it relies on the wrapper divs (div.inflow and optionally div.positioner) to define its position relative to the parent div.
• Dynamic Adjustment: As the container div's size changes, the button maintains its desired distance from the right edge.
• Overflow Handling: The fixed position element is exempt from the overflow context of its container div, even with the overflow: hidden property set.

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