CSS Abs Function Basic

<!DOCTYPE html>
<title>My Example</title>

.abs-box {
    background-color: #0d6efd;
    color: white;
    font-family: sans-serif;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100px;
    border-radius: 8px;
    
    /* 
      1. We use the negative value directly to translate the box to the left.
      2. We use abs() to convert the negative value to a positive 150px for the width.
         (If we just used width: var(--dynamic-offset), the width would be invalid and default to auto!)
    */
    transform: translateX(var(--dynamic-offset));
    width: abs(var(--dynamic-offset));
  }
</style>

<div class="abs-container">
  <div class="abs-box">
    Moved -150px<br>
    Width 150px
  </div>
</div>