How to Position an Element Vertically Fixed and Horizontally Absolute

Problem:

A user seeks to create a button that maintains a fixed vertical distance from the viewport while also remaining a specific distance from the right edge of a div, regardless of viewport size.

Solution:

Horizontal Positioning:

While "absolute horizontal" positioning is not technically achievable with the provided solution, the goal of maintaining a fixed distance from the div's right edge can be met. By avoiding setting the left or right properties for the horizontally fixed element, the container divs are used to control its horizontal position.

Vertical Positioning:

The element is positioned vertically fixed using the position: fixed property. By setting a top value, the vertical positioning is maintained regardless of the viewport size.

Code Sample:

The following code demonstrates the implementation:

HTML:

CSS:

div.inflow {
  width: 200px;
  height: 1000px;
  border: 1px solid blue;
  float: right;
  position: relative;
  margin-right: 100px;
}
div.positioner {position: absolute; right: 0;}
div.fixed {
  width: 80px;
  border: 1px solid red;
  height: 100px;
  position: fixed;
  top: 60px;
  margin-left: 15px;
}

Key Considerations:

• The div.positioner div may not be necessary if the div.inflow div has a fixed width, allowing for direct setting of the fixed element's left margin.
• Setting overflow: hidden on the container div does not affect the fixed element's positioning outside its boundaries.