Insufficient height of Bootstrap jumbotron

I'm currently in the process of constructing a website using bootstrap.

Here's my HTML file:

Check it out here

<header class="navbar navbar-inverse navbar-static-top" role="banner">
      <div class="container">
        <div class="navbar-header">
          <a class="navbar-brand" href="index.html">Santorini</a>
        </div>
          <nav class="collapse navbar-collapse" role="navigation">            
              <ul class="nav navbar-nav navbar-right">
                <li><a href="committee.html">Committee</a></li>
                <li><a href="events.html">Events</a></li>
                <li><a href="constitution.html">Constitution</a></li>
              </ul>
          </nav>
       </div>
</header>

<div class="jumbotron">
        <div class="container">
            <h1>Welcome</h1>
            <p class="lead">Welcome to my site.</p>
            <p class="lead"><a class="btn btn-large btn-primary" href="www.google.com">Join Us</a></p>
        </div>
</div>

<div class="container">
      <div class="row">
        <div class="col-sm-4" align="center">
          <a href="www.google.com"><img class="contact" src="img/facebook.png" height="120" width="120"></a>
        </div>
        <div class="col-sm-4" align="center">
          <a href="www.google.com"><img class="contact" src="img/emailIcon.png" height="120" width="120"></a>
        </div>
        <div class="col-sm-4" align="center">
          <a href="www.google.com"><img class="contact" src="img/twitter.png" height="120" width="120"></a>

    </div>
  </div>
</div>

The goal is to have a visually appealing jumbotron similar to what you see on getbootstrap.com, but larger. I want it to be at least twice the size of what it currently is.

In the <head> section of my HTML file, I've included a special rule for styling the jumbotron with an image and other content. Here's the code:

.jumbotron {
        position: relative;
        background: url('img/background.jpg') no-repeat center center;
        overflow: hidden;
        height: 100%;
        width: 100%;
        background-size: cover;    
}

However, when I try adjusting the height, let's say to 500px, I don't see any change taking effect. It seems like the jumbotron adapts to the size of its container. I ideally want the entire picture to be visible without any cropping.

If anyone has suggestions or solutions, feel free to share. Your help would be greatly appreciated :)

Answer №1

To expand on this point, I often refrain from modifying the pre-existing bootstrap code and opt to create my own classes instead. These custom classes can easily be applied alongside any bootstrap classes you are using. For example:

<div class="jumbotron customclass">

.customclass {
    width: 100%;
    height: 500px;
}

This approach has consistently worked well for me and helps prevent potential issues with overriding bootstrap styles that could affect other parts of your website if it heavily relies on bootstrap.

I typically avoid directly targeting bootstrap classes in my projects.

You can view a sample on bootply to see how creating your own class functions effectively: http://www.bootply.com/Qcdz3AxWvP

In addition, I've demonstrated adding a background color to showcase the seamless integration of custom classes.

Answer №2

On your Bootply, the height is set at 100% while your question mentions 500px, which may or may not be relevant. The Jumbotron class does not have a fixed height; instead, padding is used. Setting the height should follow the same rules as mentioned in your question. This discrepancy could be due to multiple jumbotron rules or because your stylesheet is not placed after Bootstrap.

*(using !important should not be necessary)

Bootstrap Rules (Not complete)

.jumbotron {
  padding-top: 30px;
  padding-bottom: 30px;
  margin-bottom: 30px;
  color: inherit;
  background-color: #eee
}

.container .jumbotron,
.container-fluid .jumbotron {
  padding-right: 15px;
  padding-left: 15px;
  border-radius: 6px
}

.jumbotron .container {
  max-width: 100%
}

@media screen and (min-width:768px) {
  .jumbotron {
    padding-top: 48px;
    padding-bottom: 48px
  }
  .container .jumbotron,
  .container-fluid .jumbotron {
    padding-right: 60px;
    padding-left: 60px
  }
  .jumbotron .h1,
  .jumbotron h1 {
    font-size: 63px
  }
}

Check out the working example Snippet at FullPage.

/*FOR DEMO ONLY*/

.navbar.navbar-inverse {
  margin-bottom: 0;
}
/*FOR DEMO ONLY*/

.jumbotron.jumbotron-one {
  position: relative;
  background: url('http://placehold.it/2000x500/f00/fff') no-repeat center center;
  background-size: cover;
  height: 100%;
  width: 100%;
  margin-bottom: 0;
}
@media (min-width: 768px) {
  .jumbotron.jumbotron-one {
    height: 500px;
  }
}
.jumbotron.jumbotron-two {
  position: relative;
  background: url('http://placehold.it/2000x500/ff0/fff') no-repeat center center;
  background-size: cover;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
<header class="navbar navbar-inverse navbar-static-top" role="banner">
  <div class="container">
    <div class="navbar-header">
      <a class="navbar-brand" href="index.html">Santorini</a>
    </div>
    <nav class="collapse navbar-collapse" role="navigation">
      <ul class="nav navbar-nav navbar-right">
        <li><a href="committee.html">Committee</a>
        </li>
        <li><a href="events.html">Events</a>
        </li>
        <li><a href="constitution.html">Constitution</a>
        </li>
      </ul>
    </nav>
  </div>
</header>

<div class="jumbotron jumbotron-one">
  <div class="container">
    <h1>Welcome</h1>
    <p class="lead">Height 500PX</p>
    <p class="lead"><a class="btn btn-large btn-primary" href="www.google.com">Become a member</a>
    </p>
  </div>
</div>

<div class="jumbotron jumbotron-two">
  <div class="container">
    <h1>Welcome</h1>
    <p class="lead">Default Height (padding)</p>
    <p class="lead"><a class="btn btn-large btn-primary" href="www.google.com">Become a member</a>
    </p>
  </div>

Answer №3

It seems like bootstrap.css is overriding the custom CSS you've created. One way to fix this issue is by adjusting the height in your custom CSS to height: 500px !important. Another option is to make sure that your CSS file is loaded before bootstrap.css. Keep in mind that when two CSS files are being used, the first one loaded will always take precedence unless !important is specified.

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