导航栏没有占据全宽

时间：2021-06-04 13:43:49

标签： html css bootstrap-4

我无法将全宽应用于导航栏。导航栏两侧有间距。如何删除此间距并为导航栏应用全宽？

代码如下：

.logo {
  width: 100px;
}
<!DOCTYPE html>
<html>

<head>
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous" />
  <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
  <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script>
</head>

<body>
  <div class="col-12 fixed-top">
    <div class="navigation">
      <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
        <a class="navbar-brand" href="#"><img class="logo" src="https://assets.ccbp.in/frontend/responsive-website/landing-section-design-logo-img.png" alt="" /></a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
                            <span class="navbar-toggler-icon"></span>
                        </button>
        <div class="collapse navbar-collapse" id="navbarNavAltMarkup">
          <div class="navbar-nav">
            <a class="nav-item nav-link" href="#">Home <span class="sr-only">(current)</span></a>
            <a class="nav-item nav-link" href="#">Features</a>
            <a class="nav-item nav-link" href="#">Pricing</a>
            <a class="nav-item nav-link" href="#">Blog</a>
            <a class="nav-item nav-link" href="#">Contacts</a>
          </div>
        </div>
      </nav>
    </div>

</body>

</html>

3 个答案:

答案 0 :(得分：3)

移除导航栏父容器上的 col-12 类。

.logo {
  width: 100px;
}
<!DOCTYPE html>
<html>

<head>
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous" />
  <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
  <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script>
</head>

<body>
  <div class="fixed-top">
    <div class="navigation">
      <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
        <a class="navbar-brand" href="#"><img class="logo" src="https://assets.ccbp.in/frontend/responsive-website/landing-section-design-logo-img.png" alt="" /></a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
                            <span class="navbar-toggler-icon"></span>
                        </button>
        <div class="collapse navbar-collapse" id="navbarNavAltMarkup">
          <div class="navbar-nav">
            <a class="nav-item nav-link" href="#">Home <span class="sr-only">(current)</span></a>
            <a class="nav-item nav-link" href="#">Features</a>
            <a class="nav-item nav-link" href="#">Pricing</a>
            <a class="nav-item nav-link" href="#">Blog</a>
            <a class="nav-item nav-link" href="#">Contacts</a>
          </div>
        </div>
      </nav>
    </div></div>

</body>

</html>

答案 1 :(得分：0)

<div class="col-12 fixed-top"> 没有结束 <div> 标记，因此我将其删除，然后将以下内容添加到 .navbar 类

width: 100vw;

这是视图宽度的 100%

.logo{
    width: 100px;
}
.navbar {width: 100vw;}
<!DOCTYPE html>
<html>

<head>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous" />
    <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script>
</head>

<body>
 
                <div class="navigation">
                    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
                        <a class="navbar-brand" href="#"><img class="logo" src="https://assets.ccbp.in/frontend/responsive-website/landing-section-design-logo-img.png" alt="" /></a>
                        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
                            <span class="navbar-toggler-icon"></span>
                        </button>
                        <div class="collapse navbar-collapse" id="navbarNavAltMarkup">
                            <div class="navbar-nav">
                                <a class="nav-item nav-link" href="#">Home <span class="sr-only">(current)</span></a>
                                <a class="nav-item nav-link" href="#">Features</a>
                                <a class="nav-item nav-link" href="#">Pricing</a>
                                <a class="nav-item nav-link" href="#">Blog</a>
                                <a class="nav-item nav-link" href="#">Contacts</a>
                            </div>
                        </div>
                    </nav>
            </div>
            
 </body>
 </html>

答案 2 :(得分：0)

试试这个 CSS

* {
 margin :0;
 padding:0;
}
.logo{
    width: 100px;
}
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