<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>hover</title>
<style>
li ul {
display: none;
position: absolute;
margin-left: 10px;
margin-top: -20px;
color: black;
}
.first-sub li {
width: 100px;
margin: 0px;
padding: 0px;
}
ul {
border-collapse: collapse;
}
ul li:last-child {
border-bottom: 2px solid green;
}
li {
border: 2px solid green;
width: 50px;
border-bottom: none;
list-style: none;
padding: none;
margin: none;
}
ul li:hover {
background-color: blue;
color: white;
}
.item1:hover .first-sub {
display: block;
}
li:nth-child(3):hover .second-sub {
display: block;
margin-left: 60px;
}
</style>
</head>
<body>
<ul>
<li class="item1">Item 1
<ul class="first-sub">
<li class="pop">Subitem 1</li>
<li>Subitem 2</li>
<li>Subitem 3
<ul class="second-sub">
<li>Subsubitem 1</li>
<li>Subsubitem 2</li>
<li>Subsubitem 3</li>
</ul>
</li>
</ul>
</li>
<li>Item 2</li>
<li>Item 3</li>
</ul>
</body>
</html>
Простой
Простой
Простой
Простой
Простой
Простой
Средний