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我已經完成了Bootstrap3.6的編碼。當我打開小設備的導航欄時，所有工作都完美無缺，但是我在導航欄上給出了標誌和網站名稱，小屏幕網站名稱會出現在導航欄外。請細下面的代碼如何增加手機的導航欄大小？
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
<title>Webmap Cities</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />
<script type="text/javascript" src="http://code.jquery.com/jquery-2.1.1.min.js"></script>
<script type="text/javascript" src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<style>
body { overflow: hidden; }
.navbar-offset { margin-top: 50px; }
#map { position: absolute; top: 50px; bottom: 0px; left: 0px; right: 0px; }
#map .ol-zoom { font-size: 1.2em; }
.zoom-top-opened-sidebar { margin-top: 5px; }
.zoom-top-collapsed { margin-top: 45px; }
.mini-submenu{
display:none;
background-color: rgba(255, 255, 255, 0.46);
border: 1px solid rgba(0, 0, 0, 0.9);
border-radius: 4px;
padding: 9px;
/*position: relative;*/
width: 42px;
text-align: center;
}
.mini-submenu-left {
position: absolute;
top: 60px;
left: .5em;
z-index: 40;
}
.mini-submenu-right {
position: absolute;
top: 60px;
right: .5em;
z-index: 40;
}
#map { z-index: 35; }
.sidebar { z-index: 45; }
.main-row { position: relative; top: 0; }
.mini-submenu:hover{
cursor: pointer;
}
.slide-submenu{
background: rgba(0, 0, 0, 0.45);
display: inline-block;
padding: 0 8px;
border-radius: 4px;
cursor: pointer;
}
@media (min-width: 768px) and (max-width: 991px) {
.navbar-nav .open .dropdown-menu {
position: static;
float: none;
width: auto;
margin-top: 0;
background-color: transparent;
border: 0;
-webkit-box-shadow: none;
box-shadow: none;
z-index:99;
}
.navbar-nav .open .dropdown-menu > li > a {
line-height: 20px;
}
.navbar-nav .open .dropdown-menu > li > a,
.navbar-nav .open .dropdown-menu .dropdown-header {
padding: 5px 15px 5px 25px;
}
.dropdown-menu > li > a {
display: block;
padding: 3px 20px;
clear: both;
font-weight: normal;
line-height: 1.42857143;
color: #333;
white-space: nowrap;
}
.navbar-header {
float: none;
}
.navbar-toggle {
display: block;
}
.navbar-collapse {
border-top: 1px solid transparent;
box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}
.navbar-collapse.collapse {
display: none!important;
}
.navbar-nav {
float: none!important;
/*margin: 7.5px -15px;*/
margin: 7.5px 50px 7.5px -15px
}
.navbar-nav>li {
float: none;
}
.navbar-nav>li>a {
padding-top: 10px;
padding-bottom: 10px;
}
.navbar-text {
float: none;
margin: 15px 0;
}
/* since 3.1.0 */
.navbar-collapse.collapse.in {
display: block!important;
}
.collapsing {
overflow: hidden!important;
}
}
.navbar-brand
{
font-size:100% !important;
}
</style>
<body onload="mumbai();">
<div class="container">
<nav class="navbar navbar-inverse navbar-fixed-top" role="navigation">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#"><span><img style="height:30px;width:30px"src="http://cdn.9appsdownloading.com/group1/M01/35/1C/poYBAFcpqU-AFa5CAAAMm35WLrc217.png" text=""></span><h4 style="display:inline;color:red">Urban Growth in Mumbai Metropolitan Area 1975-2014</h4></a>
</div>
<div class="collapse navbar-collapse" id="myNavbar">
<ul class="nav navbar-nav navbar-right">
<li><a href="#">Mumbai</a></li>
<li class="divider"></li>
<li><a href="Delhi.html">Delhi</a></li>
<li class="divider"></li>
<li><a href="Bengaluru.html">Bengaluru</a></li>
</ul>
</div>
</div>
</nav>
</body>
</html>
還要檢查此鏈接瞭解輸出： http://www.responsinator.com/?url=http%3A%2F%2F176.9.117.220%3A8282%2Ftrail_menu_8_8_2017%2520-%2520Copy.html 感謝。
通過「增加導航欄大小」你的意思是獲得一個更高的標題？ –