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[英]why ngb-bootstrap Collapse control 's toggle collapse button collapses the whole dynamically generated card set?
[英]Bootstrap collapse button collapses; but not visible
嗨,大家好,我是第一次将Bootstrap用于响应式Nav。.我已经找到了类似问题的答案,但是似乎无法显示Nav切换按钮。
该按钮可以正确切换并显示我的导航; 但看不见。 任何见解将不胜感激! :)
<!-- NAVIGATION -->
<div class="nav-container">
<div class"navbar navbar-default" role="navigation">
<div class="container inner-container">
<div class="navbar-header">
<a href="index.php" class="navbar-brand"><img src="img/index/skytek-logo/Skytek_c1_S.png" width="160px" height="90px" alt="Skytek Logo"></a><p class="navbar-slogan">Engineering Excellence</p>
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navHeaderCollapse">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse" id="navHeaderCollapse">
<ul class="nav navbar-nav navbar-right">
<li class="active"><a href="index.php">Home</a></li>
<li><a href="about.php">About Us</a></li>
<li><a href="#">Support & Services</a></li>
<li><a href="#">Sales</a></li>
<li><a href="#">News</a></li>
<li><a href="#">Contact</a></li>
<li><a href="#">Careers</a></li>
<li><a href="#">Login</a></li>
<li class="search-bar">
<form class="navbar-form" role="form" method="get" action="#">
<div class="form-group">
<input type="text" placeholder="Search" class="form-control">
</div>
<button type="submit" class="btn btn-success">Go</button>
</form>
</li>
</ul>
</div>
</div>
</div>
</div>
<!-- END NAVIGATION -->
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