导航栏中间有徽标,倒塌时消失

时间:2017-10-12 18:58:55

标签: javascript jquery html css twitter-bootstrap

我有这个代码,但是当我改变窗口的大小以测试响应时,徽标消失,只显示手风琴菜单的汉堡包图标。 我真的想知道如何在整个宽度时将图像标志保持在中间,并在折叠时保持在中间以进行响应式设计。 谢谢!

	<head>
		
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<style>
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  #site-logo a {
    margin-top: -53px;
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  #container,.navbar .navbar-default{
  border-top: 2px dotted blue;
  border-bottom: 2px dotted blue; 
  background-image: url("img/fondo_menu_nav.jpg");

  background: url('img/fondo_menu_nav.jpg');
 font-style: zapfino;
}
</style>
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