我是 html 和 css 的新手,但我很挣扎...(顺便说一句,我很抱歉我的英语)
我有很多问题:
CSS 和 HTML
#menu ul {
display: flex;
flex-direction: row;
align-items: flex-start;
justify-content: space-evenly;
list-style: none;
position: fixed;
background-color: transparent;
z-index: 90;
font-size: 15px;
letter-spacing: 0.26em;
line-height: 69.6px;
margin-top: 0;
}
#menu ul li {
display: inline-block;
vertical-align: top;
text-align: center;
background-color: white;
}
#menu .logo_area{
background-color: transparent;
}
#menu .logo_area img {
vertical-align: middle;
}
#menu li .sous {
display: block;
position: relative;
height: 0px;
padding: 0px 24px;
opacity: 0;
transition: 0.2s
}
#menu > ul li:hover .sous {
padding: 28px 24px;
height: auto;
opacity: 100;
}
#menu ul li .vide {
width: 122px;
padding: 0px 24px;
}
#menu li:hover > .vide {
padding: 10px 24px;
height: auto;
visibility: inherit;
}
#menu ul li .sous li {
display: block;
text-align: center;
line-height: 30px;
padding: 5px 0px;
transition: padding 3s linear, height .2s linear, opacity .2s linear;
}
#menu ul li .sous #br {
line-height: 20px;
}
a {
text-decoration: none;
}
/* unvisited link */
a:link {
color: #1f2439;
}
/* visited link */
a:visited {
color: #1f2439;
}
/* mouse over link */
a:hover {
color: #1f2439;
}
/* selected link */
a:active {
color: #1f2439;
}
#menu ul li a:after {
content: '';
display: block;
margin: auto;
height: 1px;
width: 0px;
background: transparent;
transition: width .5s ease, background-color .5s ease;
}
#menu ul li a:hover:after {
width: 50%;
background: #1f2439;
}
#menu ul li .sous a:hover:after {
width: 100%;
<nav id="menu">
<ul class="roboto" style="width: 85%">
<li>
<a href="">Fruit</a>
<ul class="sous">
<li><a href="#expertises">Apple</a></li>
<li><a href="#valeurs">Banana</a></li>
<li><a href="#metiers">Orange</a></li>
<li><a href="#equipe">Strawberry</a></li>
</ul>
</li>
<li>
<a href="">Vegetable</a>
<ul class="sous">
<li id="br">
<a class="sousli" href="#">Beans</a>
</li>
<li><a class="sousli" href="#">Courgette</a></li>
<li><a href="#">Eggplant</a></li>
</ul>
</li>
<li class="logo_area">
<a href="">
<img
src="/img.png"
alt=""
/>
</a>
</li>
<li>
<a href="">Sport</a>
<ul class="sous">
<li><a href="#">Dance</a></li>
<li><a href="#">Tennis</a></li>
</ul>
</li>
<li>
<a href="">Info</a>
<ul class="sous vide">
<li><a href="#"></a></li>
</ul>
</li>
<li><a href="">Eng</a></li>
</ul>
</nav>
<div class="rectangle" style="height : 250px; width : 100%; background-color : beige; "></div>
这不是真正的结果,因为我删除了一些东西,但你可以看到问题。 (米色矩形只是在这里我们可以看到下拉菜单)
拜托,有人能帮我吗...我正在失去希望:(