我对HTML 和CSS 中的编码相当陌生。
我有以下 HTML 和 CSS 代码，一个固定的菜单导航栏和一个对悬停产生影响的图像。
放大时如何使图像不阻挡菜单？
另外，我如何不拉伸图像，而是调整发布它的 div 的大小以稍微调整浏览器屏幕？
* {background-color: black
}
*{
padding: 0;
margin: 0;
}
ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: visible;
background-color: black;
font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
font-size: 20px;
font-weight: bold;
height: 65px;
border-style: dashed;
border-color:green;
border-radius: 20px;
height: 80px;
}
li {
float: left;
}
li a {
display: block;
color: white;
text-align: center;
padding: 10px 12px;
text-decoration: none;
border-style: dotted;
margin-left: 24px;
margin-top: 11px;
}
li a:hover {
background-color: red;
}
.parrafo{
font-size: 40px;
padding: 75px;
border-radius: 10px;
margin-top: 10px;
margin-bottom: 10px;
border-left: 22px;
padding-left: 150px;
border-top: dotted 5px red;
border-bottom: dotted 5px yellowgreen;
display: flex;
flex-direction: row;
font-family: sans-serif;
font-weight: bold;
color: white;
}
.queonda{
font-family: sans-serif;
font-weight: bold;
color: white;
font-size: 50px;
margin-left: 85px;
}
.test{
margin-left: 200px;
margin-top: 270px;
}
.test2{
margin-top: 100px;
margin-bottom: 100px;
margin-left: 700px;
}
.portrait {
overflow: hidden;
display: inline-block;
}
.portrait img {
transition: transform 0.5s linear;
max-width: 100%;
max-height: 100%;
}
.portrait:hover img {
transform: scale(1.1);
}
.cat {
height: 1250px;
width: 1900px;
}
.algo {
height: 880px;
width: 1700px;
display: block;
}
.active {
overflow: hidden;
background-color: #333;
position: fixed;
top: 0;
width: 100%;
}<div class="active">
<ul>
<li><a href="#home">Tour</a></li>
<li><a href="#news">Listen to Music</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
</ul>
</div>
<div class="portrait algo"><img src="https://i.ibb.co/dLrSmP7/1111.jpg" alt=""></div>
<div class="parrafo">
<img src="https://muzikercdn.com/uploads/products/4207/420772/09821a89.jpg" alt="Ciudad con Transito">
<P class="test">MUSIC<br>MAINSTREAM SELLOUT</P>
</div>
<div class="test2">
<P class="queonda">VIDEOS</P><br><br>
<video width="1280" controls autoplay="off">
<source src="./img/prueba2.mp4" type="video/mp4">
</div>
<footer class="footer">
<div class="container">
<div class="row">
<div class="footer-col">
<h4>Terms & Conditions</h4>
</div>
<div class="footer-col">
<h4><a class="textDecoration" href="#privacy">Privacy and Policy</a></h4>
</div>
<div class="footer-col">
<h4>Follow Us</h4>
<div class="social-links">
</div>
</div>
<div class="footer-col">
<div class="social-links">
<h3><a href="#" class="fa fa-facebook"></a>
<a href="#" class="fa fa-twitter"></a>
<a href="#" class="fa fa-instagram"></a>
<a href="#" class="fa fa-youtube"></a>
</h3>
</div>
</div>
</div>
</footer>希望你们能给我一些指导来解决这个问题:)
回答1
只需在导航中添加任何积极的 https://developer.mozilla.org/en-US/docs/Web/CSS/z-index 即可。
* {background-color: black
}
*{
padding: 0;
margin: 0;
}
.navigation {
z-index: 1;
}
ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: visible;
background-color: black;
font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
font-size: 20px;
font-weight: bold;
height: 65px;
border-style: dashed;
border-color:green;
border-radius: 20px;
height: 80px;
}
li {
float: left;
}
li a {
display: block;
color: white;
text-align: center;
padding: 10px 12px;
text-decoration: none;
border-style: dotted;
margin-left: 24px;
margin-top: 11px;
}
li a:hover {
background-color: red;
}
.parrafo{
font-size: 40px;
padding: 75px;
border-radius: 10px;
margin-top: 10px;
margin-bottom: 10px;
border-left: 22px;
padding-left: 150px;
border-top: dotted 5px red;
border-bottom: dotted 5px yellowgreen;
display: flex;
flex-direction: row;
font-family: sans-serif;
font-weight: bold;
color: white;
}
.queonda{
font-family: sans-serif;
font-weight: bold;
color: white;
font-size: 50px;
margin-left: 85px;
}
.test{
margin-left: 200px;
margin-top: 270px;
}
.test2{
margin-top: 100px;
margin-bottom: 100px;
margin-left: 700px;
}
.portrait {
overflow: hidden;
display: inline-block;
}
.portrait img {
transition: transform 0.5s linear;
max-width: 100%;
max-height: 100%;
}
.portrait:hover img {
transform: scale(1.1);
}
.cat {
height: 1250px;
width: 1900px;
}
.algo {
height: 880px;
width: 1700px;
display: block;
}
.active {
overflow: hidden;
background-color: #333;
position: fixed;
top: 0;
width: 100%;
}<div class="navigation active">
<ul>
<li><a href="#home">Tour</a></li>
<li><a href="#news">Listen to Music</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
</ul>
</div>
<div class="portrait algo"><img src="https://i.ibb.co/dLrSmP7/1111.jpg" alt=""></div>
<div class="parrafo">
<img src="https://muzikercdn.com/uploads/products/4207/420772/09821a89.jpg" alt="Ciudad con Transito">
<P class="test">MUSIC<br>MAINSTREAM SELLOUT</P>
</div>
<div class="test2">
<P class="queonda">VIDEOS</P><br><br>
<video width="1280" controls autoplay="off">
<source src="./img/prueba2.mp4" type="video/mp4">
</div>
<footer class="footer">
<div class="container">
<div class="row">
<div class="footer-col">
<h4>Terms & Conditions</h4>
</div>
<div class="footer-col">
<h4><a class="textDecoration" href="#privacy">Privacy and Policy</a></h4>
</div>
<div class="footer-col">
<h4>Follow Us</h4>
<div class="social-links">
</div>
</div>
<div class="footer-col">
<div class="social-links">
<h3><a href="#" class="fa fa-facebook"></a>
<a href="#" class="fa fa-twitter"></a>
<a href="#" class="fa fa-instagram"></a>
<a href="#" class="fa fa-youtube"></a>
</h3>
</div>
</div>
</div>
</footer>