我试图将我的“你好”放在中心位置。图像中间的文字并保持响应。因为.welcome
div位于.section1-bg
div之后,它会将文本的高度降低到中心以下。
我怎样才能将我的“你好”作为中心。垂直和水平放置文本,同时仍保持导航栏的位置并保持网站响应?
body {
font-family: 'Roboto', sans-serif;
font-family: 'Spectral', serif;
}
.section1 {
margin: 0px;
padding: 0px;
}
.section1-bg {
background-image: url("Images/b.jpg");
background-size: cover;
}
.welcome {
display: flex;
flex-direction: column;
justify-content: center;
height: 100vh;
}

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<div class="container-fluid col-lg-12 section1 section1-bg">
<div class="row">
<navbar class="col-lg-offset-3 col-lg-6 col-md-offset-3 col-md-6 col-sm-offset-3 col-sm-6 col-xs-offset-3 col-xs-6">
<div class="nav-left navbar-brand">
BRAND
</div>
<div class="nav-right pull-right">
<ul class="nav navbar-nav">
<li><a href="#section1 page-scroll">HOME</a></li>
<li><a href="#section2 page-scroll">ABOUT</a></li>
<li><a href="#section3 page-scroll">PROJECTS</a></li>
<li><a href="#section4 page-scroll">CONTACT</a></li>
</ul>
</div>
</navbar>
</div>
<div class="welcome text-center col-lg-offset-4 col-lg-4">
<h1>Hello!</h1>
<h2>Want to see what I've made?</h2>
<a href="#section3 page-scroll">Yes!</a>
</div>
</div>
&#13;
提前致谢。