html - Bootstrap header/jumbotron 背景图片

Question

我是第一次使用 Bootstrap，并且正在努力获取图像作为包含导航和超大屏幕的页眉的背景。目前我设置的图像没有显示，我不确定为什么。如果您能为我指出需要更改的地方或内容的正确方向，我们将不胜感激。

<div class="container header-bg">
    <nav class="navbar" role="navigation">
        <div class="container">
            <div class="navbar-header">
              <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
              </button>
              <a class="navbar-brand" href="#">Elliott Davidson</a>
            </div>
            <div id="navbar" class="collapse navbar-collapse">
              <ul class="nav navbar-nav pull-right">
                <li><a href="#about">About</a></li>
                <li><a href="#about">Pictures</a></li>
                <li><a href="#about">Videos</a></li>
                <li><a href="#about">Sponsors</a></li>
                <li><a href="#about">Blog</a></li>
                <li><a href="#contact">Contact</a></li>
              </ul>
            </div><!--/.nav-collapse -->
        </div>
    </nav>
    <div class="jumbotron">
      <div class="container">
        <h1>Elliott Davidson</h1>
        <p>This is a template for a simple marketing or informational website. It includes a large callout called a jumbotron and three supporting pieces of content. Use it as a starting point to create something more unique.</p>
        <p><a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a></p>
      </div>
    </div>
</div>

    .header-bg {
      width:100%;
      height:475px;
      background: url("img/elliott-davidson-slider.jpg");
      background-size:cover;
    }

    .jumbotron {
      color: white;
      text-shadow: black 0.3em 0.3em 0.3em;
      background: transparent;
    }

Answer 1

background: url("../img/elliott-davidson-slider.jpg");

作者 – Yerko Palma