下面是一个带有bootstrap 4的Html代码。它有一个固定的页眉和页脚,中间有可滚动的bootstrap Cards。滚动时,一些卡片会隐藏标题。如何让卡片滚动到标题后面?
<header style="position: fixed; left: 0; top: 0; width: 100%;" class="bg-info text-center">header</header>
<br><br>
<div class="container">
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
</div>
<div class="card">
<div class="container"> <h2>My Card</h2> </div>
</div>
<p>simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text simple text </p>
</div>
<footer style="position: fixed; left:0; bottom:0; width:100%;" class="bg-info text-center">footer</footer>
发布于 2020-12-03 13:38:37
您没有以正确的方式使用引导。对于页眉和页脚,使用bootstrap提供的nav
栏,而不是header
和footer
。
对于固定标题:-
<nav class="navbar fixed-top navbar-light bg-light">
<a class="navbar-brand" href="#">Fixed top</a>
</nav>
对于固定页脚:-
<nav class="navbar fixed-bottom navbar-light bg-light">
<a class="navbar-brand" href="#">Fixed bottom</a>
</nav>
参考资料:
https://getbootstrap.com/docs/4.0/components/navbar/#placement
发布于 2020-12-03 13:35:58
header可以使用z-index
。
你可以给出任何你想要的数字,这个数字将使元素在z索引上移动。
添加到您的样式或css
header{
z-index:99;
}
https://stackoverflow.com/questions/65126957
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