有人知道为什么这不能正常工作吗？下拉菜单应该只在您悬停在菜单名称上时出现，但如果您将鼠标悬停在元素名称下方，它就会出现，并且菜单列表越长，您可以将鼠标悬停在其下方越远，使其下拉。例如，如果您将鼠标悬停在菜单名称“技能”下方，则会出现下拉菜单，而不是仅在您单击该名称或将鼠标悬停在其上时出现。
<!DOCTYPE html>
<html>
<head>
<style>
$min-width: 120px;
$secondarycolor: #CCFF00;
$thirdcolor: #000000;
@mixin transform($value) {
-webkit-transform: ($value);
-moz-transform: ($value);
-ms-transform: ($value);
transform: ($value);
}
@mixin transition($value) {
-webkit-transition: ($value);
-moz-transition: ($value);
-ms-transition: ($value);
transition: ($value);
}
*{
box-sizing: border-box;
}
body {
font-family: 'Open Sans', sans-serif;
color: #CCFF00;
background: #374954;
text-align: center;
}
#main {
position: relative;
list-style: none;
background-image: url('https://tc-boxing.com/pic/gradient.png');
background-repeat: repeat-x no-repeat-y;
font-weight: 600;
font-size: 0;
text-transform: uppercase;
display: inline-block;
padding: 0;
margin: 50px auto;
li {
font-size: 0.8rem;
display: inline-block;
position: relative;
padding: 15px 20px;
cursor: pointer;
z-index: 5;
min-width: $min-width;
}
}
li {
margin: 0;
}
.drop {
overflow: hidden;
list-style: none;
position: absolute;
padding: 0;
width: 100%;
left: 0;
top: 48px;
div {
@include transform(translate(0,-100%));
@include transition(all 0.5s 0.1s);
position: relative;
}
li {
display:block;
padding: 0;
width: 100%;
background-image: url('https://tc-boxing.net/pic/gradientdd2.png') !important;
background-repeat: repeat-x no-repeat-y;
}
}
#marker {
height: 6px;
background: $secondarycolor !important;
position: absolute;
bottom: 0;
width: $min-width;
z-index: 2; @include transition(all 0.35s);
}
@for $i from 1 through 4 {
#main li:nth-child(#{$i}) {
&:hover ul div {
@include transform(translate(0,0));
}
&:hover ~ #marker {
@include transform(translate(#{(-1+$i)*$min-width},0));
}
}
}
* {
box-sizing: border-box;
}
body {
font-family: 'Open Sans', sans-serif;
background: #374954;
color: #CCFF00;
text-align: center;
}
#main {
position: relative;
list-style: none;
background-image: url('https://tc-boxing.com/pic/gradient.png');
background-repeat: repeat-x no-repeat-y;
font-weight: 600;
font-size: 0;
text-transform: uppercase;
display: inline-block;
padding: 0;
margin: 50px auto;
}
#main li {
font-size: 0.8rem;
display: inline-block;
position: relative;
padding: 15px 20px;
cursor: pointer;
z-index: 5;
min-width: 120px;
}
li {
margin: 0;
}
.drop {
overflow: hidden;
list-style: none;
position: absolute;
padding: 0;
width: 100%;
left: 0;
top: 48px;
}
.drop div {
-webkit-transform: translate(0, -100%);
-moz-transform: translate(0, -100%);
-ms-transform: translate(0, -100%);
transform: translate(0, -100%);
-webkit-transition: all 0.5s 0.1s;
-moz-transition: all 0.5s 0.1s;
-ms-transition: all 0.5s 0.1s;
transition: all 0.5s 0.1s;
position: relative;
}
.drop li {
display: block;
padding: 0;
width: 100%;
background-image: url('https://tc-boxing.net/pic/gradientdd.png') !important;
background-repeat: repeat-x no-repeat-y;
}
#marker {
height: 4px;
background: #CCFF00 !important;
position: absolute;
bottom: 0;
width: 120px;
z-index: 2;
-webkit-transition: all 0.35s;
-moz-transition: all 0.35s;
-ms-transition: all 0.35s;
transition: all 0.35s;
}
#main li:nth-child(1):hover ul div {
-webkit-transform: translate(0, 0);
-moz-transform: translate(0, 0);
-ms-transform: translate(0, 0);
transform: translate(0, 0);
}
#main li:nth-child(1):hover ~ #marker {
-webkit-transform: translate(0px, 0);
-moz-transform: translate(0px, 0);
-ms-transform: translate(0px, 0);
transform: translate(0px, 0);
}
#main li:nth-child(2):hover ul div {
-webkit-transform: translate(0, 0);
-moz-transform: translate(0, 0);
-ms-transform: translate(0, 0);
transform: translate(0, 0);
}
#main li:nth-child(2):hover ~ #marker {
-webkit-transform: translate(120px, 0);
-moz-transform: translate(120px, 0);
-ms-transform: translate(120px, 0);
transform: translate(120px, 0);
}
#main li:nth-child(3):hover ul div {
-webkit-transform: translate(0, 0);
-moz-transform: translate(0, 0);
-ms-transform: translate(0, 0);
transform: translate(0, 0);
}
#main li:nth-child(3):hover ~ #marker {
-webkit-transform: translate(240px, 0);
-moz-transform: translate(240px, 0);
-ms-transform: translate(240px, 0);
transform: translate(240px, 0);
}
#main li:nth-child(4):hover ul div {
-webkit-transform: translate(0, 0);
-moz-transform: translate(0, 0);
-ms-transform: translate(0, 0);
transform: translate(0, 0);
}
#main li:nth-child(4):hover ~ #marker {
-webkit-transform: translate(360px, 0);
-moz-transform: translate(360px, 0);
-ms-transform: translate(360px, 0);
transform: translate(360px, 0);
}
</style>
</head>
<body>
<!-- not responsive yet -->
<nav>
<ul id="main">
<li>Home</li>
<li>About</li>
<li>Skills
<ul class="drop">
<div>
<li>scss</li>
<li>jquery</li>
<li>html</li>
</div>
</ul>
</li>
<li>Contact</li>
<div id="marker"></div>
</ul>
</nav>
</body>
</html>
最佳答案
尝试添加:
#main li {
visibility: hidden;
}
#main li:hover ul {
visibility: visible;
}
关于css - CSS 中的下拉菜单无法正常工作，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/57285300/