Background image with carousel overlay

Hey there! I could really use some assistance with a coding issue that has been causing me quite the headache. I've been working on creating a page for a local intermunicipal Football Association using Bootstrap, and I'm having trouble achieving something specific: overlaying the carousel on top of a background image, disregarding the blue and yellow elements.

However, what I have managed to achieve so far looks like this.

Here is the code snippet I am working with:

<!--Background image-->
  <div class="bg">
    <img src="img/football-field.jpg" class="img-responsive" alt="background">
  </div>

<section id="main-content">
        <div class="container">
          <div class="col-md-2 col-sm-2 navigation">
            content content
            content content
            content content
            content content
            content content
            content content
          </div>
          
          <div class="col-md-10 col-md-10 gallery">
            <div id="myCarousel" class="carousel slide" data-ride="carousel">
              
              <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>

              
              <div class="carousel-inner">
                <div class="item active">
                  <img src="img/example.jpg" alt="description">
                </div>

                <div class="item">
                  <img src="img/example.jpg" alt="description">
                </div>

                <div class="item">
                  <img src="img/example.jpg" alt="description">
                </div>
              </div>

              
              <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>
        </div>
      </section>

and here is my CSS:

.bg{
  height: 420px;
  z-index: -999;
}
#main-content{
  z-index: 100;
  background-color: white;
}

Your help would be greatly appreciated!

P.S. Please excuse any language barriers or inaccuracies in my explanation. English isn't my first language, so I hope you can still understand my issue clearly :)

Answer №1

If you try to use z-index alone to place your content on top of your background image, it will not be effective. Z-index specifically functions on elements with an absolute or fixed position.

To achieve the desired effect easily and cleanly, consider setting your image as the background of your webpage using CSS 'background' property.

#main-content{
background-image: url('img/sunset-beach.jpg');
background-color: white;
}

Another approach is to have your section overlap the background div.

#main-content{
position: absolute;
top: 0;
left: 0;
background: none;
}

Answer №2

To ensure that z-index works on your element, you need to set the position value accordingly. The options you have are fixed, absolute, or relative, but each requires some additional CSS styling. For a detailed explanation, please visit this link.

Here is a sample code snippet:

header {
  height: 100px;
  position: relative;
}

header img {
  width: 100%;
  height: 100%;
}

.start {
  position: absolute;
  z-index: 100;
  top: 0;
}

.navigation {
  background: #F7F7F7;
}

#main-content{
  position: relative;
  background-color: white;
  margin-top:-1.5em;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<nav class="navbar navbar-default">
  <div class="container">
    <div class="navbar-header">
      <a class="navbar-brand" href="#">WebSiteName</a>
    </div>
  </div>
</nav>

<!--Main content of page-->    
<section id="main-content">
  <header>
    <img src="https://image.shutterstock.com/z/stock-photo-american-football-players-in-the-action-grand-arena-345202907.jpg" alt="ozadje">
  </header>
        <div class="container start">
          <div class="col-md-2 col-xs-2 navigation">
            content content
            content content
            content content
            content content
            content content
            content content
          </div>
          <!--Beginning of carousel-->
          <div class="col-md-10 col-xs-10 galery">
            <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="http://via.placeholder.com/950x250" alt="desc">
                </div>

                <div class="item">
                  <img src="http://via.placeholder.com/950x250" alt="desc">
                </div>

                <div class="item">
                  <img src="http://via.placeholder.com/950x250" alt="desc">
                </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>
        </div>
      </section>

Answer №3

Running this code may not produce the best visual result, but it can give you an idea. Instead of using a div and inserting an image (which shifts your div down), consider setting a background image in CSS:

#main-content{
  background: url("https://upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Football_iu_1996.jpg/1200px-Football_iu_1996.jpg");
  background-color: white;
}

.item img {
  min-width: 100%;
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

<!--Main content of page-->    
<section id="main-content">
        <div class="container">
          <div class="col-md-2 col-sm-2 navigation">
            content content
            content content
            content content
            content content
            content content
            content content
          </div>
          <!--Beginning of carousel-->
          <div class="col-md-10 col-md-10 galery">
            <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="http://lorempixel.com/400/200/sports/" alt="desc">
                </div>

                <div class="item">
                  <img src="http://lorempixel.com/400/200/sports/" alt="desc">
                </div>

                <div class="item">
                  <img src="http://lorempixel.com/400/200/sports/" alt="desc">
                </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>
        </div>
      </section>

This may not be exactly what you're looking for, but it could help point you in the right direction.

I hope this provides some assistance.

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