twitter-bootstrap - Bootstrap 导航栏品牌权重根据 Safari 中的下拉菜单更改

Question

非常令人沮丧的问题，我无法弄清楚。仅在 Safari 中注意到，当我在固定导航栏中触发下拉菜单时，导航栏中所有文本的字体粗细都会发生变化，包括品牌文本。

这是之前导航栏的屏幕截图



之后:



我在导航栏文本和自定义 CSS 下方包含了这些内容。谢谢你的帮助!

<!-- Fixed navbar -->
<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
  <div class="container">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
        <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="/">Midge Raymond</a>
    </div>
    <div class="navbar-collapse collapse">
      <ul class="nav navbar-nav">
        <li class="hidden-sm"><a href="/">home</a></li>
        <li><a href="/bio.html">bio</a></li>
        <li class="dropdown">
          <a href="/books"  class="dropdown-toggle" data-toggle="dropdown" data-hover="dropdown" data-delay="500">books <b class="caret"></b></a>
          <ul class="dropdown-menu">
                            <li><a href="/books/mylastcontinent.html">My Last Continent</a></li>
                            <li><a href="/books/forgettingenglish.html">Forgetting English</a></li>
                            <li><a href="/books/everydaywriting.html">Everyday Writing</a></li>
                            <li><a href="/books/everydaybookmarketing.html">Everyday Book Marketing</a></li>
          </ul>
        </li>
        <li class="dropdown">
          <a href="/books"  class="dropdown-toggle" data-toggle="dropdown" data-hover="dropdown" data-delay="500">other writing <b class="caret"></b></a>
          <ul class="dropdown-menu">
                            <li><a href="/otherwriting/articles.html">Articles</a></li>
                            <li><a href="/otherwriting/shortstories.html">Short Stories</a></li>
          </ul>
        </li>

        <li><a href="/news.html">news & events</a></li>
        <li class="hidden-sm"><a href="/blog">blog</a></li>
      </ul>
    </div><!--/.nav-collapse -->
  </div>
</nav>

和 CSS:

.navbar {
         min-height: 100px;
         padding-top: 15px; 
         margin-bottom: 5px;
         padding-left: 0px;
}

.navbar-toggle {
         margin-top: 40px; 

}

.navbar-brand {
        font-family: 'EB Garamond', 'Garamond', serif;
        font-size: 52px;
        margin-top: 15px; 
        margin-bottom: 10px; 
        text-align: center;
        font-weight: normal;
}

@media (max-width: 768px) {
  .navbar-brand {
        font-family: 'EB Garamond', 'Garamond', serif;
        font-size: 34px;
  }
  .navbar-toggle {
    margin-top: 15px; // Adjust toggle position
  }
  body { padding-top: 110px; }

}


.navbar-default .navbar-brand {
          color: #ffffff;
          font-weight: normal;
}

.navbar-default .navbar-brand:hover,
.navbar-default .navbar-brand:focus {
  color: #488A87;
  background-color: transparent;
}

.navbar-default {
        background-color: #073949;
        border-color: #aaaaaa;
}

.navbar-default .navbar-nav > li > a {
        color: white;
        font-size: 17px;
        padding-top: 10px;
}

.navbar-inverse .navbar-brand {
  color: #ffffff;
}

.navbar-default .navbar-nav > li > a:hover {
        background-color: #E5E5E5;
}

@media (min-width:1024px) { 
        .navbar > .container {
            text-align: center;
        }
        .navbar-header,.navbar-brand,.navbar .navbar-nav,.navbar .navbar-nav > li {
            float: none;
            display: inline-block;
        }
        .collapse.navbar-collapse {
            float: none;
            width: auto;
            clear: none;
            text-align: center;
        }
}

.dropdown-menu {
        background: #f9f9f5;
}

Answer 1

您需要将以下内容添加到您的 CSS 文件中以解决此问题。这是 position: fixed 出现的字体平滑问题和 Safari 。

.navbar-fixed-top {
   -webkit-font-smoothing: antialiased;
}

您可以找到有关此修复程序及其发生原因的更多详细信息 here .

JSFiddle: https://jsfiddle.net/7njwmd1a/