What is the best way to ensure the sidebar occupies the entire page height?

Hey there! I am currently working on a Bootstrap page that includes some lorem text and a sidebar. However, I am facing an issue where the sidebar does not fill the screen vertically when the content on the page is smaller than the window size. Can someone guide me on how to make the height of the sidebar fill the screen vertically, considering that the content on the page can be larger than 100vh? You can view the problem in the full page preview.

.sidebar-user-box {
    padding: 4px;
    margin-bottom: 4px;
    font-weight: bold;
    cursor: pointer;
    color: white;
}
<!doctype html>
<html lang="en">

<head>
  <!-- Required meta tags -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <!-- Bootstrap CSS -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BmbxuPwQa2lc/FVzBcNJ7UAyJxM6wuqIj61tLrc4wSX0szH/Ev+nYRRuWlolflfl" crossorigin="anonymous">

  <!-- Bootstrap Bundle with Popper -->
  <script src="https://cdn.jsdelivr.net/npm/bootstrap/dist/js/bootstrap.bundle.min.js" integrity="sha384-b5kHyXgcpbZJO/tY9Ul7kGkf1S0CWuKcCD38l8YkeH8z8QjE0GmW1gYU5S9FOnJ0" crossorigin="anonymous"></script>

  <!-- jQuery -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

  <!-- Page style -->
  <link rel="stylesheet" href="CSS/index.css">

  <!-- Title -->
  <title>Social Media Site</title>
</head>

<body>

  <nav class="navbar navbar-dark bg-dark">
    <div class="container-fluid">
      <a class="navbar-brand" href="#">Social Media Site</a>
      <div class="d-flex align-items-center">
      </div>
    </div>
  </nav>
  <div class="container-fluid">
    <div class="row">
      <main role="main" class="col-sm-9 ml-sm-auto col-lg-10 px-4">
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-5 col-sm-4" style="background-color: blue;"></div>
            <div class="col-md-4 col-sm-4" style="background-color: white;">
              <p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Fugit ut necessitatibus accusamus temporibus magni recusandae tempore, provident consectetur commodi quas cum? Rerum, beatae sed odit quia nobis itaque possimus illo.</p>
            </div>
            <div class="col-md-3 col-sm-3" style="background-color: blue;"></div>
          </div>
        </div>
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-5 col-sm-4" style="background-color: darkblue;"></div>
            <div class="col-md-4 col-sm-4" style="background-color: gray;">
              <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Nihil cupiditate repellendus et iusto voluptatem, reprehenderit laudantium qui a dolore dolorum? Perspiciatis voluptates eaque quas architecto cum earum nemo voluptate in? </p>
            </div>
            <div class="col-md-3 col-sm-3" style="background-color: darkblue;"></div>
          </div>
        </div>
      </main>
      <nav class="col-lg-2 col-sm-3 d-none d-sm-block bg-dark sidebar">
        <div class="sidebar-sticky">
          <ul class="nav flex-column">
            <li class="nav-item sidebar-user-box" id="1">
              <span id="slider-username">User</span>
            </li>
            <li class="nav-item sidebar-user-box" id="2">
              <span id="slider-username">User (2)</span>
            </li>
          </ul>
        </div>
      </nav>
    </div>
  </div>
</body>

</html>

htmlcssbootstrap-5

Answer №1

Insert this into your stylesheet .sidebar { height: 100vh;}

.sidebar-user-box {
    padding: 4px;
    margin-bottom: 4px;
    font-weight: bold;
    cursor: pointer;
    color: white;
}
.sidebar { height: 100vh;}
<!doctype html>
<html lang="en">

<head>
  <!-- Required meta tags -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <!-- Bootstrap CSS -->
  <link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="7f1d10100b0c0b0d1e0f3f4a514f514f521d1a0b1e4d">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BmbxuPwQa2lc/FVzBcNJ7UAyJxM6wuqIj61tLrc4wSX0szH/Ev+nYRRuWlolflfl" crossorigin="anonymous">

  <!-- Bootstrap Bundle with Popper -->
  <script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="4d2f2222393e393f2c3d0d78637d637d602f28392c7f">[email protected]</a>/dist/js/bootstrap.bundle.min.js" integrity="sha384-b5kHyXgcpbZJO/tY9Ul7kGkf1S0CWuKcCD38l8YkeH8z8QjE0GmW1gYU5S9FOnJ0" crossorigin="anonymous"></script>

  <!-- jQuery -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

  <!-- Page style -->
  <link rel="stylesheet" href="CSS/index.css">

  <!-- Title -->
  <title>Social Media Site</title>
</head>

<body>

  <nav class="navbar navbar-dark bg-dark">
    <div class="container-fluid">
      <a class="navbar-brand" href="#">Social Media Site</a>
      <div class="d-flex align-items-center">
      </div>
    </div>
  </nav>
  <div class="container-fluid">
    <div class="row">
      <main role="main" class="col-sm-9 ml-sm-auto col-lg-10 px-4">
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-5 col-sm-4" style="background-color: blue;"></div>
            <div class="col-md-4 col-sm-4" style="background-color: white;">
              <p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Fugit ut necessitatibus accusamus temporibus magni recusandae tempore, provident consectetur commodi quas cum? Rerum, beatae sed odit quia nobis itaque possimus illo.</p>
            </div>
            <div class="col-md-3 col-sm-3" style="background-color: blue;"></div>
          </div>
        </div>
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-5 col-sm-4" style="background-color: darkblue;"></div>
            <div class="col-md-4 col-sm-4" style="background-color: gray;">
              <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Nihil cupiditate repellendus et iusto voluptatem, reprehenderit laudantium qui a dolore dolorum? Perspiciatis voluptates eaque quas architecto cum earum nemo voluptate in? </p>
            </div>
            <div class="col-md-3 col-sm-3" style="background-color: darkblue;"></div>
          </div>
        </div>
      </main>
      <nav class="col-lg-2 col-sm-3 d-none d-sm-block bg-dark sidebar">
        <div class="sidebar-sticky">
          <ul class="nav flex-column">
            <li class="nav-item sidebar-user-box" id="1">
              <span id="slider-username">User</span>
            </li>
            <li class="nav-item sidebar-user-box" id="2">
              <span id="slider-username">User (2)</span>
            </li>
          </ul>
        </div>
      </nav>
    </div>
  </div>
</body>

</html>

Answer №2

To ensure the correct layout, apply d-flex flex-column vh-100 to the body element and then use flex-grow-1 on the container. Set the row to h-100 to fill the height of the container...

<body class="d-flex flex-column vh-100">
<nav class="navbar navbar-dark bg-dark">
    <div class="container-fluid">
        <a class="navbar-brand" href="#">Social Media Site</a>
        <div class="d-flex align-items-center">
        </div>
    </div>
</nav>
<div class="container-fluid flex-grow-1">
    <div class="row h-100">
        <main role="main" class="col-sm-9 ml-sm-auto col-lg-10 px-4">
            <div class="row">
                <div class="col-md-5 col-sm-4" style="background-color: blue;"></div>
                <div class="col-md-4 col-sm-4" style="background-color: white;">
                    <p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Fugit ut necessitatibus accusamus temporibus magni recusandae tempore, provident consectetur commodi quas cum? Rerum, beatae sed odit quia nobis itaque possimus illo.</p>
                </div>
                <div class="col-md-3 col-sm-3" style="background-color: blue;"></div>
            </div>
            <div class="row">
                <div class="col-md-5 col-sm-4" style="background-color: darkblue;"></div>
                <div class="col-md-4 col-sm-4" style="background-color: gray;">
                    <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Nihil cupiditate repellendus et iusto voluptatem, reprehenderit laudantium qui a dolore dolorum? Perspiciatis voluptates eaque quas architecto cum earum nemo voluptate in? </p>
                </div>
                <div class="col-md-3 col-sm-3" style="background-color: darkblue;"></div>
            </div>
        </main>
        <nav class="col-lg-2 col-sm-3 d-none d-sm-block bg-dark sidebar">
            <div class="sidebar-sticky">
                <ul class="nav flex-column">
                    <li class="nav-item sidebar-user-box" id="1">
                        <span id="slider-username">User</span>
                    </li>
                    <li class="nav-item sidebar-user-box" id="2">
                        <span id="slider-username">User (2)</span>
                    </li>
                </ul>
            </div>
        </nav>
    </div>
</div>
</body>

Furthermore, it's advised to eliminate the inner container-fluid elements as they serve no purpose and nesting containers is discouraged.

Related: v4 bootstrap full height sidebar

Answer №3

The term used to refer to a full page is 'viewport' and in CSS3, you can style an element based on its viewport.

These units are known as viewport-percentage lengths and are relative to the size of the initial containing block.

  • The height of the viewport is denoted by vh. The complete height of a page is 100vh.
  • The width of the viewport is denoted by vw. The complete width of a page is 100vw.
  • Additionally, there are vmin (viewport minimum length) and vmax (viewport maximum length) units.

To address your issue, you can add the following CSS code:

.sidebar { 
  height: 100vh;
}

For more information on Viewport-relative lengths, visit this link.

The complete code snippet would be:

.sidebar-user-box {
    padding: 4px;
    margin-bottom: 4px;
    font-weight: bold;
    cursor: pointer;
    color: white;
}
.sidebar { 
  height: 100vh;
}
<!doctype html>
<html lang="en">

<head>
  <!-- Required meta tags -->
  <meta charset="utf-8>
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <!-- Bootstrap CSS -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap/[version]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="[hash]" crossorigin="anonymous">

  <!-- Bootstrap Bundle with Popper -->
  <script src="https://cdn.jsdelivr.net/npm/bootstrap/[version]/dist/js/bootstrap.bundle.min.js" integrity="[hash]" crossorigin="anonymous"></script>

  <!-- jQuery -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

  <!-- Page style -->
  <link rel="stylesheet" href="CSS/index.css">

  <!-- Title -->
  <title>Social Media Site</title>
</head>

<body>

  <nav class="navbar navbar-dark bg-dark">
    <div class="container-fluid">
      <a class="navbar-brand" href="#">Social Media Site</a>
      <div class="d-flex align-items-center">
      </div>
    </div>
  </nav>
  <div class="container-fluid">
    <div class="row">
      <main role="main" class="col-sm-9 ml-sm-auto col-lg-10 px-4">
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-5 col-sm-4" style="background-color: blue;"></div>
            <div class="col-md-4 col-sm-4" style="background-color: white;">
              <p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Fugit ut necessitatibus accusamus temporibus magni recusandae tempore, provident consectetur commodi quas cum? Rerum, beatae sed odit quia nobis itaque possimus illo.</p>
            </div>
            <div class="col-md-3 col-sm-3" style="background-color: blue;"></div>
          </div>
        </div>
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-5 col-sm-4" style="background-color: darkblue;"></div>
            <div class="col-md-4 col-sm-4" style="background-color: gray;">
              <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Nihil cupiditate repellendus et iusto voluptatem, reprehenderit laudantium qui a dolore dolorum? Perspiciatis voluptates eaque quas architecto cum earum nemo voluptate in? </p>
            </div>
            <div class="col-md-3 col-sm-3" style="background-color: darkblue;"></div>
          </div>
        </div>
      </main>
      <nav class="col-lg-2 col-sm-3 d-none d-sm-block bg-dark sidebar">
        <div class="sidebar-sticky">
          <ul class="nav flex-column">
            <li class="nav-item sidebar-user-box" id="1">
              <span id="slider-username">User</span>
            </li>
            <li class="nav-item sidebar-user-box" id="2">
              <span id="slider-username">User (2)</span>
            </li>
          </ul>
        </div>
      </nav>
    </div>
  </div>
</body>

</html>

If your sidebar is not nested within a size-constrained element, using height: 100% would also be effective in your scenario.

I trust this assistance was beneficial.

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