Bootstrap导航栏品牌链接无效

时间：2017-01-24 12:54:45

标签： html css twitter-bootstrap

我有一个导航栏，根据屏幕大小显示不同的徽标。这就是html的样子：

<nav class="navbar navbar-fixed-top" role="navigation">
    <div class="container">
      <!-- Brand and toggle get grouped for better mobile display -->
      <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
          <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 logo-small" href="{{ url('/') }}">
          <img class="logo" src="{{ asset('/img/logo-small.png') }}" alt="logo">
        </a>
        <a class="navbar-brand logo-big" href="{{ url('/') }}">
          <img class="logo" src="{{ asset('/img/m2.png') }}" alt="logo">
        </a>
      </div>
      <!-- Collect the nav links, forms, and other content for toggling -->
      <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
        <form class="navbar-form navbar-search-form active" role="search">
          <div class="form-group">
            <div class="input-group">
              <span class="input-group-addon">
                <i class="material-icons">search</i>
              </span>
              <input type="text" class="form-control" placeholder="Search for videos or players..." autofocus>
            </div>
          </div>
        </form>
        <ul class="nav navbar-nav navbar-right">
          <li>
            <a href="{{ url('/login') }}" class="btn btn-primary">Sign in</a>
          </li>
        </ul>
      </div>
      <!-- /.navbar-collapse -->
    </div>
    <!-- /.container-fluid -->
  </nav>

我正在css中更改这样的徽标：

@media (max-width: 767px) {
  .logo-big {
    display: block;
  }

  .logo-small {
    display: none;
  }
}

完整的CSS在这里：

.header {
  background-image: url('/img/goal-cover.jpeg');
}

.navbar .navbar-nav > li > a {
  color: inherit;
  padding-top: 0;
  padding-bottom: 0;
  font-weight: 400;
  font-size: 12px;
  border-radius: 3px;
  line-height: 58px;
}

b, strong {
  font-weight: bold;
  color: white;
}

#search {
  text-align:center;
  text-align: center;
  line-height: 57px;
  font-size: 16px;
}

input {
  width: 200px;
  padding: 0 20px;
}

input,
input::-webkit-input-placeholder {
  font-size: 16px;
  letter-spacing: 0.5px;
  border: 0;
  background-color: #fff;
  color: #3c3e42!important;
}

.btn.btn-primary, .btn.btn-primary:hover, .btn.btn-primary:focus, .btn.btn-primary:active, .btn.btn-primary.active, .btn.btn-primary:active:focus, .btn.btn-primary:active:hover, .btn.btn-primary.active:focus, .btn.btn-primary.active:hover, .open > .btn.btn-primary.dropdown-toggle, .open > .btn.btn-primary.dropdown-toggle:focus, .open > .btn.btn-primary.dropdown-toggle:hover, .navbar .navbar-nav > li > a.btn.btn-primary, .navbar .navbar-nav > li > a.btn.btn-primary:hover, .navbar .navbar-nav > li > a.btn.btn-primary:focus, .navbar .navbar-nav > li > a.btn.btn-primary:active, .navbar .navbar-nav > li > a.btn.btn-primary.active, .navbar .navbar-nav > li > a.btn.btn-primary:active:focus, .navbar .navbar-nav > li > a.btn.btn-primary:active:hover, .navbar .navbar-nav > li > a.btn.btn-primary.active:focus, .navbar .navbar-nav > li > a.btn.btn-primary.active:hover, .open > .navbar .navbar-nav > li > a.btn.btn-primary.dropdown-toggle, .open > .navbar .navbar-nav > li > a.btn.btn-primary.dropdown-toggle:focus, .open > .navbar .navbar-nav > li > a.btn.btn-primary.dropdown-toggle:hover {
    background-color: #00bcd4;
    color: #FFFFFF;
}

.btn-full-width {
  width: 100%;
}
.card {
    display: inline-block;
    position: relative;
    width: 100%;
    border-radius: 3px;
    background: rgba(41, 39, 39, 0.9);
    color: #fff;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}

.card-signup .content {
  padding: 0px 30px 0px 30px;
}

.big-logo-circle {
  margin: auto;
  width: 180px;
  height: 180px;
  margin-top: 50px;
  padding: 20px 0;
  border-radius: 50%;
  background: rgba(41, 39, 39, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.signup-page .wrapper .card-signup {
    margin: 50px 0 40px;
}

.btn-red {
  background: #e90052;
  width: 100%;
}

.btn-red:hover, .btn-red:focus, .btn-red:active, .btn-red a:active{
  background: rgba(233, 0, 82, 0.8)!important;
}

.btn-blue {
  background: #096b7d;
  width: 100%;
}

.btn-blue:hover, .btn-blue:focus, .btn-blue:active, .btn-blue a:active{
  background: rgba(9, 107, 125, 0.8)!important;
}

body {
  background-color: #ddd;
}

.navbar-toggle .icon-bar {
  background-color: #333;
}

.navbar-nav > li {
  line-height: 50px;
  position: relative;
  margin-left: 15px;
  margin-right: 15px;
}

.logo, .navbar-nav > li > .btn {
  margin: 0 15px;
  height: 41px;
  margin-top: 4px;
  box-shadow: none;
  color: #fff;
}

.logo {
  background: transparent;
  height: 32px;
  margin-top: 5px;
}
.navbar-nav > li > .btn {
  background: rgba(0, 188, 212);
  display: flex;
  align-items: center;
  margin-top: 8px!important;
  box-shadow: none!important;
  width: 100px;
}

.navbar-nav > li > .btn:hover, .navbar-nav > li > .btn:focus, .navbar-nav > li > .btn:active {
  box-shadow: none!important;
  background: rgba(0, 188, 212, 0.8)!important;
}

.logo-big {
  display: none;
}

@media (min-width: 767px) {
  .navbar-search-form {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    width: 100%;
    float: none;
    text-align: center;
    padding: 8px 0;
  }

  .logo {
    margin-left: 0;
  }
}

@media (max-width: 767px) {
  .navbar-search-form {
    padding-left: 0;
    padding-right: 0;
  }

  .navbar .navbar-form .form-group .form-control, .navbar .navbar-form .form-control {
    width: 400px;
  }

  .logo-big {
    display: block;
  }

  .logo-small {
    display: none;
  }
}

@media (max-width: 500px) {
  .navbar-search-form {
    padding-left: 0;
  }

  .navbar .navbar-form .form-group .form-control, .navbar .navbar-form .form-control {
    width: 300px!important;
  }
}

.navbar .navbar-form .form-group {
  margin: 0;
  padding: 0;
  height: 39px;
  border: 1px solid;
  border-radius: 3px;
  line-height: 39px;
  background-color: #fff;
}

.navbar .navbar-form {
  margin: 0;
}

.navbar-header {
  margin-top: 6px;
}

.navbar-form .input-group {
  float: left;
}

.input-group .input-group-addon {
  padding: 6px 12px;
  color: #00bcd4;
}

.navbar .navbar-form .form-group .form-control, .navbar .navbar-form .form-control {
  width: 400px;
  background-image: none;
}

但是小品牌标识的链接不起作用，我无法点击它，当我将屏幕调整到更小的尺寸并获得更大的徽标时，我可以点击它并且它可以工作。不确定如何解决这个问题，为什么我不能点击大屏幕上的小徽标？

4 个答案:

答案 0 :(得分：4)

使用.navbar-header设置relative z-index及以上。

.navbar-header {
    position: relative;
    z-index:1;
}

<强> Working Fiddle

答案 1 :(得分：0)

我真的没有看到你的代码有什么问题，但为什么不使用bootstrap默认类？

<a href="#" class="hidden-xs hidden-sm"><img src="logo-small.jpg"></a>
<a href="#" class="hidden-md hidden-lg"><img src="logo-big.jpg"></a>

答案 2 :(得分：0)

试试这个 .logo-big { 向左飘浮   }

答案 3 :(得分：0)

问题在于您的表单，您将表单的宽度设置为100％，并在较大的屏幕上覆盖您的徽标。

@media (min-width: 767px) {
  .navbar-search-form {
    width: 300px;
  }
}
.navbar .navbar-form {
  margin: auto;
}

将其更改为例如300px，添加自动边距并查看会发生什么。

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