When incorporating the Bootstrap 5.3.3 grid with the class 'row w-100', there appears to be a noticeable amount of unused space on the right side

While trying to implement Bootstrap grid, I ran into an issue. When executing the code below:

<!DOCTYPE html>
<html lang="en">
   <head>
      <meta charset="UTF-8" />
      <meta name="viewport" content="width=device-width, initial-scale=1.0" />
      <title>Card Gallery</title>
      <link href="
         https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="05676a6a71767177647545302b362b35">[email protected]</a>/dist/css/bootstrap.min.css"
         rel="stylesheet" />
   </head>
   <body>
         <div class="row " style="height: 200px; background: gray; padding: 20px">
            <div class="col-4" style="background-color: brown;"></div>
            <div class="col-8" style="background-color: blue;"></div>
         </div>
      <script src="
         https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="47252828333433352637077269746977">[email protected]</a>/dist/js/bootstrap.bundle.min.js"></script>
   </body>
</html>

a horizontal scrolling bar appearshttps://i.sstatic.net/ED5Sl9PZ.png

To address this issue, I applied the 'w-100' class on the 'row' element

<!DOCTYPE html>
<html lang="en">
   <head>
      <meta charset="UTF-8" />
      <meta name="viewport" content="width=device-width, initial-scale=1.0" />
      <title>Card Gallery</title>
      <link href="
         https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="cfada0a0bbbcbbbdaebf8ffae1fce1ff">[email protected]</a>/dist/css/bootstrap.min.css"
         rel="stylesheet" />
   </head>
   <body>
         <div class="row w-100" style="height: 200px; background: gray; padding: 20px">
            <div class="col-4" style="background-color: brown;"></div>
            <div class="col-8" style="background-color: blue;"></div>
         </div>
      <script src="
         https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="76141919020502041706364358455846">[email protected]</a>/dist/js/bootstrap.bundle.min.js"></script>
   </body>
</html>

However, now there is extra space on the right. https://i.sstatic.net/QSwaU7pn.png

How can I remove the scroll in the first scenario or eliminate the excess space on the right in the second case?

Answer №1

Ensure you include a Bootstrap container to properly enclose the row. In Bootstrap, it's essential for rows to be nested within containers (and potentially also within card-body in Bootstrap 4). Neglecting this structure may lead to issues with margins and padding alignment. If you require a full-width container, utilize container-fluid.

<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="abc9c4c4dfd8dfd9cadbeb9e8598859b">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet" />

<div class="container-fluid">
  <div class="row " style="height: 200px; background: gray; padding: 20px">
    <div class="col-4" style="background-color: brown;"></div>
    <div class="col-8" style="background-color: blue;"></div>
  </div>
</div>

If modifying your HTML structure is not an option, consider adding g-0 to the row.

To understand why the scrollbar or empty space emerges, refer to this comprehensive explanation. In essence, margins do not impact the width of the container (body in your original code), but rather affect only the row's width itself (which is influenced by w-100).

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