如何解决锚环绕按钮移动其位置？
我创建了一个网页标题，它将被其他网站页面继承。在我决定继承它之前，这样我只需要更新一次而不是跨页更新，主页按钮将包含返回该页面的链接而不是根页面。现在主页应该包含到根页面的链接，这样下拉按钮（不是它的 dropdown-content 按钮）将链接到该站点的主页。为了实现这一点，我知道我必须在 <button class="dropbtn"></button> 周围包裹一个锚点。
在我这样做之后，我所有标题项目的位置都变得歪斜了。我不确定为什么会发生这种情况，因为我认为包含它不会影响 CSS。
更新：当前的答案在我的场景中不起作用。在 JSFiddle 上，推荐的选项有效，但是当我在 SharePoint 上的网页标题中实现 HTML 时，当父元素（下拉前的链接）只是重新加载同一页面而不是重定向到我引用的链接时，页面会重新加载。 In this fiddle，它演示了两个示例（答案中提供了一个并在使用下拉内容的锚点时删除按钮）。第一个 IT 链接是适用于 SharePoint 的示例，但现在样式又全部歪斜了。 （当按钮元素在那里时，它也不会执行 "target="_blank"，但如果它只是锚元素，它会执行。）
这是预期的结果（减去锚点，只是样式）：
body {
font-family: Arial,Helvetica,sans-serif;
}
.itlogo{
float: right;
justify-content: right;
height: 95%;
width: auto;
vertical-align: baseline;
padding-right: 20px
}
.navbar {
overflow: hidden;
background-color: #104723;
height: 64px;
width: 100%;
text-align: right;
float: left;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0;
}
.navbar a {
float: left;
font-size: 16px;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
.dropdown {
float: left;
overflow: hidden;
}
#s4-titlerow{
display: none;
visibility:hidden
}
.dropdown .dropbtn {
font-size: 16px;
border: none;
outline: none;
color: white;
padding: 14px 16px;
background-color: inherit;
font-family: inherit;
margin: 0;
}
.navbar a:hover,.dropdown:hover .dropbtn {
background-color: #104723;
color:white;
}
#contentRow{
margin-top: -50px;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0.2);
z-index: 1;
}
.dropdown-content a {
float: none;
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropdown-content a:hover {
background-color: #ddd;
color: black;
}
.dropdown:hover .dropdown-content {
display: block;
}
@media only screen and (max-width: 600px) {
.responsive {
width:100%;
display:flex;
flex-wrap:wrap;
}
.navbar {
overflow: hidden;
background-color: #104723;
height: 150px;
width: 100%;
text-align: right;
float: left;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0;
}
}<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<div class="navbar">
<div class="responsive">
<a href="">Home</a>
<div class="dropdown">
<button class="dropbtn">IT
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-content">
<a href="" target="_blank">Cyber Security</a>
<a href="" target="_blank">Operations</a>
<a href="" target="_blank">Support</a>
</div>
</div>
<div class="dropdown">
<button class="dropbtn">Example
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-content">
<a href="" target="_blank">Sub 1</a>
<a href="" target="_blank">Sub 2</a>
<a href="" target="_blank">Sub 3</a>
</div>
</div>
</div>
<img src="https://www.experian.com/assets/banks/images/Primary-Experian-Dark-Blue-technology-icon.png" class="itlogo"/>
</div>
</head>
<body>
</body>
</html>这是包含锚点的实际结果：
body {
font-family: Arial,initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<div class="navbar">
<div class="responsive">
<a href="">Home</a>
<div class="dropdown">
<a href="www.google.com"><button class="dropbtn">IT
<i class="fa fa-caret-down"></i>
</button></a>
<div class="dropdown-content">
<a href="" target="_blank">Cyber Security</a>
<a href="" target="_blank">Operations</a>
<a href="" target="_blank">Support</a>
</div>
</div>
<div class="dropdown">
<a href="www.google.com"><button class="dropbtn">Example
<i class="fa fa-caret-down"></i>
</button></a>
<div class="dropdown-content">
<a href="" target="_blank">Sub 1</a>
<a href="" target="_blank">Sub 2</a>
<a href="" target="_blank">Sub 3</a>
</div>
</div>
</div>
<img src="https://www.experian.com/assets/banks/images/Primary-Experian-Dark-Blue-technology-icon.png" class="itlogo"/>
</div>
</head>
<body>
</body>
</html>解决方法
.navbar a 选择器过于笼统并且应用于太多元素。我将其更改为 .navbar .home 并向您的主锚链接添加了一个 home 类，它解决了所有问题：
body {
font-family: Arial,Helvetica,sans-serif;
}
.itlogo {
float: right;
justify-content: right;
height: 95%;
width: auto;
vertical-align: baseline;
padding-right: 20px
}
.navbar {
overflow: hidden;
background-color: #104723;
height: 64px;
width: 100%;
text-align: right;
float: left;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0;
}
.navbar .home {
float: left;
font-size: 16px;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
.dropdown {
float: left;
overflow: hidden;
}
#s4-titlerow{
display: none;
visibility:hidden
}
.dropdown .dropbtn {
font-size: 16px;
border: none;
outline: none;
color: white;
padding: 14px 16px;
background-color: inherit;
font-family: inherit;
margin: 0;
}
.navbar a:hover,.dropdown:hover .dropbtn {
background-color: #104723;
color:white;
}
#contentRow{
margin-top: -50px;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0.2);
z-index: 1;
}
.dropdown-content a {
float: none;
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropdown-content a:hover {
background-color: #ddd;
color: black;
}
.dropdown:hover .dropdown-content {
display: block;
}
@media only screen and (max-width: 600px) {
.responsive {
width:100%;
display:flex;
flex-wrap:wrap;
}
.navbar {
overflow: hidden;
background-color: #104723;
height: 150px;
width: 100%;
text-align: right;
float: left;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0;
}
}<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<div class="navbar">
<div class="responsive">
<a class="home" href="">Home</a>
<div class="dropdown">
<a href="www.google.com"><button class="dropbtn">IT
<i class="fa fa-caret-down"></i>
</button></a>
<div class="dropdown-content">
<a href="" target="_blank">Cyber Security</a>
<a href="" target="_blank">Operations</a>
<a href="" target="_blank">Support</a>
</div>
</div>
<div class="dropdown">
<a href="www.google.com"><button class="dropbtn">Example
<i class="fa fa-caret-down"></i>
</button></a>
<div class="dropdown-content">
<a href="" target="_blank">Sub 1</a>
<a href="" target="_blank">Sub 2</a>
<a href="" target="_blank">Sub 3</a>
</div>
</div>
</div>
<img src="https://www.experian.com/assets/banks/images/Primary-Experian-Dark-Blue-technology-icon.png" class="itlogo"/>
</div>
</head>
<body>
</body>
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