如何将文本<h5 class="nav-title text-center center-block hidden-sm hidden-md hidden-lg" id="nav-center">Liam Docherty's Digital Portfolio</h5>放在导航栏的中间，使其与其他导航栏网页文本一致？
<style>
#nav_a {
width:25%;
}
#nav_img {
width:100%;
height: 30px;
}
@media (min-width: 768px) {
.navbar-nav.navbar-center {
position: absolute;
left: 50%;
transform: translatex(-50%);
}
}
.body {
font-family: 'Roboto', sans-serif;
color: black;
}
.navbar.navbar-default {
background-color: #FFFFFF;
height: 10vh;
z-index: 100;
}
.navbar.navbar-default ul {
list-style-type: none;
text-align: right;
}
.navbar.navbar-default ul li {
display: inline-block;
}
.dropdown-menu li {
text-align: center;
}
.dropdown .dropdown-menu {
background-color: #FFFFFF;
}
.dropdown .dropdown-menu a {
color: white;
}
.navbar.navbar-default ul li a {
display: inline-block;
padding: 3.5vh 8px 4px;
color: black;
text-decoration: none;
font-size: 14pt;
}
.navbar.navbar-default ul li:after {
content: '';
position: absolute;
right: 50%;
bottom: 0;
left: 50%;
height: 3px;
background-color: black;
border-radius: 9px;
transition: all .2s;
}
.nav.navbar-nav,
.nav.navbar-nav>li {
float: none;
}
.navbar.navbar-default ul li:hover:after {
right: 0;
left: 0;
}
.navbar.navbar-default ul.dropdown-menu li,
.navbar.navbar-default ul.dropdown-menu li a {
position: relative;
display: block;
}
.section {
min-height: 100vh;
}
.one {
background-color: #FFFFFF;
}
.two {
background-color: #FFFFFF;
}
#sections .section {
padding-top: 50px;
}
.hero {
background: url("https://static.pexels.com/photos/38892/pexels-photo-38892.jpeg") center center no-repeat;
background-attachment: fixed;
background-size: cover;
width: 100%;
max-width: 100%;
width: 100vw;
height: 60%;
}
.shape {
border-radius: 25px;
background: #4D5061;
content: url(http://i1126.photobucket.com/albums/l611/ldocherty1/IMG_0730_zpsiz4dqc47.jpg);
color: white;
height: 300px;
margin: auto;
padding: 3px;
width: 300px;
top: 15%;
left: 50%;
position: absolute;
margin-left: -150px;
z-index: 10;
}
.fa-angle-down {
color: #0000;
bottom: 0px;
margin: 0 auto;
}
.fa-angle-up {
color: #0000;
bottom: 0px;
margin: 0 auto;
}
.s1-text {
text-align: center;
color: black;
z-index: 99;
font-size: 18pt;
}
.s2-text {
text-align: center;
color: black;
z-index: 99;
font-size: 18pt;
}
.nav-text {
font-size: 14pt;
}
</style><!DOCTYPE html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-3.1.1.js" integrity="sha256-16cdPddA6VdVInumRGo6IbivbERE8p7CQR3HzTBuELA=" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fullPage.js/2.9.4/jquery.fullpage.min.js"></script>
</head>
<body>
<nav class="navbar navbar-default navbar-fixed-top">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a id="nav_a" class="navbar-brand pull-left" href=""><img id="nav_img" class="img-responsive" src="http://i1126.photobucket.com/albums/l611/ldocherty1/logo1_zpsep8qps5m.png" alt="Logo design"></a>
<h5 class="nav-title text-center center-block hidden-sm hidden-md hidden-lg" id="nav-center">Liam Docherty's Digital Portfolio</h5>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-center">
<h5 class="nav-title text-center center-block hidden-xs ">Liam Docherty's Digital Portfolio</h5>
</ul>
<ul class="nav navbar-nav navbar-right">
<li><a href="#">Home</a>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="true">Units <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Unit 6</a>
</li>
<li><a href="#section3">Unit 14</a>
</li>
<li><a href="#">Unit 7</a>
</li>
<li><a href="#">Unit 1</a>
</li>
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">About <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">About Me</a>
</li>
<li><a href="#">CV</a>
</li>
<li><a href="#">Education</a>
</li>
</ul>
</li>
<li><a href="#contact-me">Contact Me</a>
</li>
</ul>
</div>
</div>
</nav>
<div id="sections">
<div class="section one">
<div class="shape"></div>
<div class="hero"></div>
<h1 class="s1-text center-block">WELCOME TO MY</h1>
<h1 class="s2-text center-block">PORTFOLIO</h1>
<a href="#section two"> <i class="fa fa-angle-down" style="font-size:100px;"></i></a>
</div>
<section id="contact-me" class="section two">
<a href="#section one"> <i class="fa fa-angle-up" style="font-size:100px;"></i></a>
</div>
<script>
$(document).ready(function() {
$('#sections').fullpage();
});
</script>
</body>
</html>
答案 0 :(得分：0)
试，
.center-block {
display: block;
width: 100%;
position: absolute;
}
答案 1 :(得分：0)
为中心水平添加margin-top文本：）
.center-block {
display: block;
margin-right: auto;
**margin-top: 30px;**
margin-left: auto;
}
答案 2 :(得分：0)
只需把这个CSS
.navbar-header h5{line-height:30px}