<style>
ul {
list-style-type:none;
margin:0;
padding:0;
position: absolute;
}
li {
display:inline-block;
float: left;
margin-right: 1px;
}
li a {
display:block;
min-width:140px;
height: 50px;
text-align: center;
line-height: 50px;
font-family:b yekan , tahoma;
font-size:13px;
color: #fff;
background: #2f3036;
text-decoration: none;
}
li:hover a {
background: #19c589;
}
li:hover ul a {
background: #f3f3f3;
color: #2f3036;
height: 40px;
line-height: 40px;
}
li:hover ul a:hover {
background: #19c589;
color: #fff;
}
li ul {
display: none;
}
li ul li {
display: block;
float: none;
}
li ul li a {
width: auto;
min-width: 100px;
padding: 0 20px;
}
ul li a:hover + .hidden, .hidden:hover {
display: block;
}
.show-menu {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
text-decoration: none;
color: #fff;
background: #19c589;
text-align: center;
padding: 10px 0;
display: none;
}
input[type=checkbox]{
display: none;
}
input[type=checkbox]:checked ~ #menu{
display: block;
}
@media screen and (max-width : 760px){
ul {
position: static;
display: none;
}
li {
margin-bottom: 1px;
}
ul li, li a {
width: 100%;
}
.show-menu {
display:block;
font-family:b yekan , tahoma;
font-size:13px;
}
}</style>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS Only Navigation Menu</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="style.css">
</head>
<body>
<label for="show-menu" class="show-menu">نمایش منو</label>
<input type="checkbox" id="show-menu" role="button">
<ul id="menu">
<li><a href="#">کدستان</a></li>
<li>
<a href="#">کدستان ↓</a>
<ul class="hidden">
<li><a href="#">کدستان</a></li>
<li><a href="#">کدستان</a></li>
</ul>
</li>
<li>
<a href="#">کدستان ↓</a>
<ul class="hidden">
<li><a href="#">کدستان</a></li>
<li><a href="#">کدستان</a></li>
<li><a href="#">کدستان</a></li>
</ul>
</li>
<li><a href="#">کدستان</a></li>
<li><a href="#">کدستان</a></li>
</ul>
</body>
</html>