bootstrap 4 中的垂直对齐表单元素
Vertical align form element in bootstrap 4
这是我第一次使用 bootstrap 4,我认为垂直对齐元素应该很容易,因为我到处都读到 flex 是垂直对齐元素最简单的方法。
问题:
我正在努力在导航栏内垂直对齐我的表单元素。一旦我为文本输入元素分配不同的字体大小,它就会变小并且不再垂直对齐:
我的HTML:
<nav class="navbar navbar-toggleable-md py-3 navbar-dark">
<div class="container">
<div class="d-flex justify-content-between"><a class="navbar-brand" href="/">TMS</a><button class="navbar-toggler collapsed" type="button" data-toggle="collapse" data-target="#bd-main-nav" aria-controls="bd-main-nav" aria-expanded="false" aria-label="Toggle navigation"><span class="navbar-toggler-icon"></span></button></div>
<div class="navbar-collapse collapse" id="bd-main-nav" aria-expanded="false">
<ul class="nav navbar-nav right-spacer">
<li class="nav-item"><a class="nav-item nav-link" href="/features">Features</a></li>
<li class="nav-item"><a class="nav-item nav-link" href="/features">Demo</a></li>
<li class="nav-item"><a class="nav-item nav-link" href="/pricing">Pricing</a></li>
<li class="nav-item"><a class="nav-item nav-link" href="/contact">Contact</a></li>
<form class="navbar-form" role="search"><input class="header-search-input form-control" type="text" placeholder="Search projects" name="q"></form>
<li class="nav-item"><a class="nav-item nav-link" href="/login/">Sign in</a></li>
</ul>
</div>
</div>
</nav>
自定义CSS:
.navbar-dark .header-search-input {
background-color: #fafafa;
font-size: .7rem;
}
Fiddle: https://jsfiddle.net/qo33wf3d/(调整输出大小window否则会显示空响应版本)
在表格中使用 my-auto
class...
<form class="navbar-form my-auto" role="search">
<input class="header-search-input form-control" type="text" placeholder="Search projects" name="q">
</form>
这是我第一次使用 bootstrap 4,我认为垂直对齐元素应该很容易,因为我到处都读到 flex 是垂直对齐元素最简单的方法。
问题:
我正在努力在导航栏内垂直对齐我的表单元素。一旦我为文本输入元素分配不同的字体大小,它就会变小并且不再垂直对齐:
我的HTML:
<nav class="navbar navbar-toggleable-md py-3 navbar-dark">
<div class="container">
<div class="d-flex justify-content-between"><a class="navbar-brand" href="/">TMS</a><button class="navbar-toggler collapsed" type="button" data-toggle="collapse" data-target="#bd-main-nav" aria-controls="bd-main-nav" aria-expanded="false" aria-label="Toggle navigation"><span class="navbar-toggler-icon"></span></button></div>
<div class="navbar-collapse collapse" id="bd-main-nav" aria-expanded="false">
<ul class="nav navbar-nav right-spacer">
<li class="nav-item"><a class="nav-item nav-link" href="/features">Features</a></li>
<li class="nav-item"><a class="nav-item nav-link" href="/features">Demo</a></li>
<li class="nav-item"><a class="nav-item nav-link" href="/pricing">Pricing</a></li>
<li class="nav-item"><a class="nav-item nav-link" href="/contact">Contact</a></li>
<form class="navbar-form" role="search"><input class="header-search-input form-control" type="text" placeholder="Search projects" name="q"></form>
<li class="nav-item"><a class="nav-item nav-link" href="/login/">Sign in</a></li>
</ul>
</div>
</div>
</nav>
自定义CSS:
.navbar-dark .header-search-input {
background-color: #fafafa;
font-size: .7rem;
}
Fiddle: https://jsfiddle.net/qo33wf3d/(调整输出大小window否则会显示空响应版本)
在表格中使用 my-auto
class...
<form class="navbar-form my-auto" role="search">
<input class="header-search-input form-control" type="text" placeholder="Search projects" name="q">
</form>