Fastened dimension left column and fluid proper column each with 100% peak in CSS

In case you want two (2) columns and wish the left column to be a hard and fast dimension, however the fitting column to routinely take the remaining dimension of the window, then you should use the next answer.

Comply with the steps beneath, which embrace some CSS and a few HTML.

The CSS for our answer

html, physique {
  peak: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
}

.page-wrapper {
  peak: 100%;
  place: relative;
}

.left-column {
  place:fastened; /* <-- This prevents scrolling */
  prime:0;
  left:0;
  width:235px;
  peak:100%;
  background:#090909;
}

.right-column {
  margin-left:235px;
  background:yellow;
  min-height:100%;  /* <-- Permits the content material to develop */
}

The HTML for our answer

<div class="page-wrapper">
  <div class="left-column"></div>
  <div class="right-column">
    That is the content material.
  </div>
</div>