我正在构建一个响应式网站，但在导航栏中无法使徽标响应。它必须与全屏导航栏的高度相同（并具有自动宽度以保持缩放），然后在平板电脑/手机模式下（您会看到断点），它必须为最大宽度（并保持自动高度）再次缩放），使其填满导航栏宽度。
我已经尝试了这种方法的一百万种变体，将其放在不同的div中，并尝试了不同的媒体查询来使其执行此操作，但是我显然缺少了一些东西。
代码：
HTML
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Primeheat | Chichester Plumbing & Heating Installation,
Maintenance & Emergency Breakdown</title>
<meta name="viewport" content="width=device-width">
<link href="css/style.css" rel="stylesheet" type="text/css">
</head>
<body>
<nav>
<div class="menulogo"> <img src="images/PrimeHeat Logo.png"
alt="PrimeHeat Logo" class="image1"> </div>
<label for="drop" class="toggle">Menu</label>
<input type="checkbox" id="drop" />
<ul class="menu">
<li><a href="#">Home</a></li>
<li>
<!-- First Tier Drop Down -->
<label for="drop-1" class="toggle">Plumbing</label>
<a href="#">Plumbing</a>
<input type="checkbox" id="drop-1"/>
<ul>
<li><a href="#">Installation</a></li>
<li><a href="#">Service</a></li>
<li><a href="#">Breakdown</a></li>
</ul>
</li>
<li>
<!-- First Tier Drop Down -->
<label for="drop-2" class="toggle">Heating</label>
<a href="#">Heating</a>
<input type="checkbox" id="drop-2"/>
<ul>
<li><a href="#">Installation</a></li>
<li><a href="#">Service</a></li>
<li><a href="#">Service</a></li>
<li>
</ul>
</li>
<li><a href="#">Contact</a></li>
<li><a href="#">About</a></li>
</ul>
</nav>
<div id="navbar2" div id class="navbar2">
<h1 class="h1">Welcome to Primeheat Plumbing & Heating</h1>
</div>
</body>
</html>
CSS
@charset "utf-8";
/* CSS Document */
#menulogo { max-width: 5%;
height: auto;}
image1 {max-width: 5%;
height: auto;
}
body {
background: #212121;
font-size:22px;
line-height: 32px;
color: #278189;
margin: 0;
padding: 0;
word-wrap:break-word !important;
font-family: 'Open Sans', sans-serif;
}
h1 {
font-size: 60px;
text-align: center;
color: #278189;
}
h3 {
font-size: 30px;
line-height: 34px;
text-align: center;
color: #278189;;
}
h3 a {
color: #278189;
}
a {
color: #278189;
}
h1 {
margin-top: 100px;
text-align:center;
font-size:60px;
line-height: 70px;
font-family: 'Bree Serif', 'serif';
}
#container {
margin: 0 auto;
max-width: 890px;
}
p {
text-align: center;
}
.toggle,
[id^=drop] {
display: none;
}
/* Giving a background-color to the nav container. */
nav {
margin:0;
padding: 0;
background-color: #FFFFFF;
}
#menulogo {
display: block;
padding: 0px;
float: left;
font-size:20px;
max-width: 5%;
height: auto;}
}
/* Since we'll have the "ul li" "float:left"
* we need to add a clear after the container. */
nav:after {
content:"";
display:table;
clear:both;
}
/* Removing padding, margin and "list-style" from the "ul",
* and adding "position:reltive" */
nav ul {
float: right;
padding:0;
margin:0;
list-style: none;
position: relative;
}
/* Positioning the navigation items inline */
nav ul li {
margin: 0px;
display:inline-block;
float: left;
background-color: #fff;
}
/* Styling the links */
nav a {
display:block;
padding:14px 20px;
color:#278189;
font-size:17px;
text-decoration:none;
}
nav ul li ul li:hover { background: #3A3A3A; }
/* Background color change on Hover */
nav a:hover {
background-color: #3A3A3A;
}
/* Hide Dropdowns by Default
* and giving it a position of absolute */
nav ul ul {
display: none;
position: absolute;
/* has to be the same number as the "line-height" of "nav a" */
top: 60px;
}
/* Display Dropdowns on Hover */
nav ul li:hover > ul {
display:inherit;
}
/* Fisrt Tier Dropdown */
nav ul ul li {
width:170px;
float:none;
display:list-item;
position: relative;
}
/* Second, Third and more Tiers
* We move the 2nd and 3rd etc tier dropdowns to the left
* by the amount of the width of the first tier.
*/
nav ul ul ul li {
position: relative;
top:-60px;
/* has to be the same number as the "width" of "nav ul ul li" */
left:170px;
}
/* Change ' +' in order to change the Dropdown symbol */
li > a:after { content: ' +'; }
li > a:only-child:after { content: ''; }
/* Media Queries
--------------------------------------------- */
@media all and (max-width : 768px) {
#menulogo {
display: block;
padding: 0;
width: 100%;
text-align: center;
float: none;
}
nav {
margin: 0;
}
/* Hide the navigation menu by default */
/* Also hide the */
.toggle + a,
.menu {
display: none;
}
/* Stylinf the toggle lable */
.toggle {
display: block;
background-color: #FFF;
padding:14px 20px;
color:#278189;
font-size:17px;
text-decoration:none;
border:none;
}
.toggle:hover {
background-color: #3A3A3A;
}
/* Display Dropdown when clicked on Parent Lable */
[id^=drop]:checked + ul {
display: block;
}
/* Change menu item's width to 100% */
nav ul li {
display: block;
width: 100%;
}
nav ul ul .toggle,
nav ul ul a {
padding: 0 40px;
}
nav ul ul ul a {
padding: 0 80px;
}
nav a:hover,
nav ul ul ul a {
background-color: #3A3A3A;
}
nav ul li ul li .toggle,
nav ul ul a,
nav ul ul ul a{
padding:14px 20px;
color:#278189;
font-size:17px;
}
nav ul li ul li .toggle,
nav ul ul a {
background-color: #C2C2C2;
}
/* Hide Dropdowns by Default */
nav ul ul {
float: none;
position:static;
color: #278189;
/* has to be the same number as the "line-height" of "nav a" */
}
/* Hide menus on hover */
nav ul ul li:hover > ul,
nav ul li:hover > ul {
display: none;
}
/* Fisrt Tier Dropdown */
nav ul ul li {
display: block;
width: 100%;
}
nav ul ul ul li {
position: static;
/* has to be the same number as the "width" of "nav ul ul li" */
}
}
@media all and (max-width : 330px) {
nav ul li {
display:block;
width: 94%;
}
}
@media only screen and (max-width: 768px) {
menulogo {max-width: 100%;
height: auto
}
}