【问题标题】:CSS - aligning items in a fixed responsive navigation menuCSS - 在固定的响应式导航菜单中对齐项目
【发布时间】:2020-02-04 05:32:35
【问题描述】:

我想在顶部导航菜单的右侧对齐项目,这是一个固定位置的菜单,所以 text-align: right;不会工作。

到目前为止我尝试了什么: 对于正常显示(计算机/笔记本电脑),我尝试执行以下操作:

.navbar {
     position: fixed;
     width: 100%;
}

.navbar .menu_items {
     margin-left: 75% /*this leaves a 25% on the right for the menu items *%
} 

这对于正常显示效果很好,但是当最小化浏览器的窗口时,菜单项会堆叠在剩余 25% 的宽度中。

我想过对不同尺寸的屏幕进行媒体查询,但效率不高。

这是我的代码:

CSS

body, header{
  margin: 0;
  padding: 0;
}

.navbar {
  position: fixed;
  background-color: rgb(90,80,50);
  width: 100%;
  border-bottom: 2px solid rgb(70,60,30);
  box-shadow: 2px 2px 3px 1px rgb(70,60,30);

}

.menu-items {
  margin: 0;
  padding: 1em 1em 1em 0em;
}

.navbar .menu-items li {
  padding: inherit;
  font-size: 1.5em;
  display: inline;
}

.navbar .menu-items li a:link,
.navbar .menu-items li a:visited {
  padding: inherit;
  padding-left: 0.5em; 
  text-decoration: none;
  color: #eee;
}

.navbar .menu-items li a:hover {
  background-color: rgb(70,60,30)
}

HTML

<!DOCTYPE html>
<html>
</html> 

<header>
  <nav class="navbar">
    <ul class="menu-items">
      <li><a href="#">Home</a></li>
      <li><a href="#">About</a></li>
      <li><a href="#">Contact</a></li>
    </ul>
  </nav>  
</header>

<div class="body">
   <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr> <hr> <br> <hr> <br>  <hr>
</div>
</html>

【问题讨论】:

  • 你试过flexbox吗?您可以使用justify-content: flex-end.menu-items 设置为flexbox 容器
  • 感谢它的工作,但它增加了一些边距。我想我可以对付他们。

标签: html css


【解决方案1】:

flex 的正确语法:

/*CSS*/

#parent {
  display: flex;
  flex-direction: row;/*not required, default value is row*/
  justify-content: flex-end;
}

但您也可以在项目上使用float: right;

【讨论】:

    【解决方案2】:

    您可以通过将 nav 设置为 display: flex 并将 ul 设置为 margin-left: auto 来实现此目的。当项目在 flex 上下文中时,任何给定边上的自动边距会将它们推到框的末尾。

    .navbar{
       display: flex;
    }
    .navbar > .menu-items{
       margin-left: auto;
    }
    
    body,
    header {
      margin: 0;
      padding: 0;
    }
    
    .navbar {
      position: fixed;
      background-color: rgb(90, 80, 50);
      width: 100%;
      border-bottom: 2px solid rgb(70, 60, 30);
      box-shadow: 2px 2px 3px 1px rgb(70, 60, 30);
    }
    
    .menu-items {
      margin: 0;
      padding: 1em 1em 1em 0em;
    }
    
    .navbar .menu-items li {
      padding: inherit;
      font-size: 1.5em;
      display: inline;
    }
    
    .navbar .menu-items li a:link,
    .navbar .menu-items li a:visited {
      padding: inherit;
      padding-left: 0.5em;
      text-decoration: none;
      color: #eee;
    }
    
    .navbar .menu-items li a:hover {
      background-color: rgb(70, 60, 30)
    }
    <header>
      <nav class="navbar">
        <ul class="menu-items">
          <li><a href="#">Home</a></li>
          <li><a href="#">About</a></li>
          <li><a href="#">Contact</a></li>
        </ul>
      </nav>
    
    
    </header>
    
    <div class="body">
      <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
      <hr> <br>
      <hr> <br>
      <hr>
    </div>

    【讨论】:

      【解决方案3】:

      您可以使用此代码

      <!doctype html>
      <html lang="en">
      <head>
          <meta charset="utf-8">
          <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
          <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
          <title>Hello, world!</title>
          <style type="text/css">
              body,
              header {
                  margin: 0;
                  padding: 0;
              }
              .navbar-light .navbar-brand {
                  color: #ffffff!important;
                  margin-left: 30px;
              }
              .navbar {
                  position: fixed;
                  background-color: rgb(90, 80, 50)!important;
                  width: 100%;
                  border-bottom: 2px solid rgb(70, 60, 30);
                  box-shadow: 2px 2px 3px 1px rgb(70, 60, 30);
                  padding: 20px 0;
              }
              .navbar .navbar-nav {
                  margin: 0;
                  padding: 0;
              }
              .navbar .navbar-nav li {
                  padding: inherit;
                  font-size: 1.5em;
                  display: inline;
              }
              .navbar .navbar-nav li a:link,
              .navbar .navbar-nav li a:visited {
                  padding: 10px 45px;
                  text-decoration: none;
                  color: #eeeeee!important;
              }
              .navbar .navbar-nav li a:hover {
                  background-color: rgb(70, 60, 30)
              }
              .navbar-light .navbar-toggler {
                  color: #fff !important;
                  border-color: #fff !important;
                  margin-right: 30px;
              }
          </style>
      </head>
      <body>
          <nav class="navbar navbar-expand-lg navbar-light bg-light">
              <a class="navbar-brand" href="#">Navbar</a>
              <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
                  <span class="navbar-toggler-icon"></span>
              </button>
              <div class="collapse navbar-collapse" id="navbarSupportedContent">
                  <ul class="navbar-nav ml-auto">
                      <li class="nav-item active">
                          <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
                      </li>
                      <li class="nav-item">
                          <a class="nav-link" href="#">About</a>
                      </li>
                      <li class="nav-item">
                          <a class="nav-link" href="#">Contact</a>
                      </li>
                  </ul>
              </div>
          </nav>
          <div class="body">
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
              <hr>
              <br>
              <hr>
              <br>
              <hr>
          </div>
          <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
          <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
          <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
      </body>
      </html>

      【讨论】:

        【解决方案4】:

        在 css 中给出 float:right 属性

        这里是代码

        .menu-items { float: right; }

        【讨论】:

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