即时尝试调整我的导航栏中的下拉菜单的大小为65px高,但它不会改变,无论我放入什么高度,原来我曾使用ul和li标记为我导航栏,但我不得不给它的所有更改为div的,因为W3验证说,它不是完全正确的,所以我不得不给它的所有更改为div的,这里是我的html和源代码:我不能调整导航栏中的下拉菜单css/html
<div id="nav">
<div class="container">
<a href="404.html">404found</a>
<div class="dropdown">
<button class="dropbtn">Courses</button>
<div class="dropdown-content">
<a href="nonadvancedcourses.html">Non-Advanced</a>
<a href="advancedcourses.html">Advanced</a>
</div>
</div>
<a href="projects.html">Projects</a>
<a href="contact.html">Contact</a>
</div>
</div>
.dropdown {
float:left;
overflow:hidden;
height:65px;
width:205px;
}
.dropdown .dropbtn {
font-size:16px;
border:none;
outline:none;
background-color:#FFF;
width:205px;
height:65px;
font-family:"Calibri Light", Arial, Helvetica, sans-serif;
font-weight:100;
color:#444;
background:#FFF;
}
.container a:hover, .dropdown:hover .dropbtn {
background:#E9E9E9;
}
.dropdown-content {
display:none;
position:absolute;
background-color:#f9f9f9;
width:205px;
height:65px;
box-shadow:0px 8px 16px 0px rgba(0,0,0,0.2);
z-index:1;
}
.dropdown-content a {
float:left;
font-size:16px;
background:#FFF;
text-align:center;
padding:0;
margin:0;
text-decoration:none;
width:205px;
height:65px;
font-family:"Calibri Light", Arial, Helvetica, sans-serif;
font-weight:100;
color:#444;
line-height:23px;
}
.dropdown-content a:hover {
background-color:#E9E9E9;
}
.dropdown:hover .dropdown-content {
display:block;
}
.container {
overflow:hidden;
background-color:#FFF;
font-family:Arial;
height:65px;
}
.container a {
float:left;
font-size:16px;
background:#FFF;
text-align:center;
padding-top:23px;
text-decoration:none;
width:205px;
height:65px;
font-family:"Calibri Light", Arial, Helvetica, sans-serif;
font-weight:100;
color:#444;
}
的'.dropdown-content'是65px的高度,但它的内容满溢。你可以在'.dropdown-content'上使用'overflow:hidden;',但是这会隐藏高级选项(你必须修改'.dropdown-content a'来排序) –
谢谢,那有效,准确地做到让高级选项显示出来? –
最简单的方法是改变'.dropdown-content a'的高度和填充顶部。如果你这样做,你可能不需要'.dropdown-content'上的'overflow:hidden;',因为你不需要隐藏任何东西 –