struggling to adjust image dimensions using bootstrap styling

Currently, I am in the process of creating a Carousel image slider using bootstrap. However, I am facing an issue with changing the height of the images within the carousel. Whenever I try to adjust the height, it ends up affecting both the width and height simultaneously. My goal is to only modify the width while keeping the height constant.

The code snippet I have been working on is as follows:

<html lang="en">

<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/
    bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js">
  </script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js">
  </script>
</head>

<body>

  <div class="container">
    <h2>Carousel Example</h2>
    <div id="myCarousel" class="carousel slide" data-ride="carousel">
      <!-- Indicators -->
      <ol class="carousel-indicators">
        <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
        <li data-target="#myCarousel" data-slide-to="1"></li>
        <li data-target="#myCarousel" data-slide-to="2"></li>
      </ol>

      <!-- Wrapper for slides -->
      <div class="carousel-inner">
        <div class="item active">
          <img src="la.jpg" alt="Los Angeles" style="width:10%; height:50%">
        </div>

        <div class="item">
          <img src="chicago.jpg" alt="Chicago" style="width:20%; height:50%">
        </div>

        <div class="item">
          <img src="ny.jpg" alt="New york" style="width:30%; height:50%">
        </div>
      </div>

      <!-- Left and right controls -->
      <a class="left carousel-control" href="#myCarousel" data-slide="prev">
        <span class="glyphicon glyphicon-chevron-left"></span>
        <span class="sr-only">Previous</span>
      </a>
      <a class="right carousel-control" href="#myCarousel" data-slide="next">
        <span class="glyphicon glyphicon-chevron-right"></span>
        <span class="sr-only">Next</span>
      </a>
    </div>
  </div>

</body>

</html>

Answer №1

Here is a possible solution:

.carousel-inner .item img{
   max-width: none;
   width: your-custom-width:
   height: your-custom-height;
}

Answer №2

Calculating height percentages can be tricky since they rely on the parent's height, but if there is no defined parent, the image height may not have any impact.

To work around this issue, you could set a fixed height for the parent element instead of using percentages. Alternatively, you can assign a percentage-based height to the parent, but then the parent of that element would need a fixed height, and this chain continues all the way up to the html element - although setting 100% height at the html level might not be the most elegant solution.

An easier approach would be to use vw/vh units instead of percentages. These units are based on viewport width or height rather than the parent's height:

<img src="la.jpg" alt="Los Angeles" style="width:30vw; height:10vw">

If you're okay with the image being stretched, this method should suffice. Otherwise, consider using height: auto to prevent distortion. You can check browser support for vw/vh units here.

For a cropped appearance, using css background-image and background-size might be a better choice over an img element, depending on your specific design intentions.

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