html CSS只有多级offcan用菜单
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width">
<title>CSS only multilevel offcanvas menu</title>
<style>
body, html {
margin: 0;
font-family: arial;
height: 100vh;
background: #ccc;
}
*, *:before, *:after {
box-sizing: border-box;
}
.nav-mobile {
position: fixed;
top: 0;
left: 0;
width: 100%;
background: #446CB3;
color: #FFF;
padding: 0;
margin: 0;
cursor: auto;
font-size: 18px;
list-style-type: none;
z-index: 999999;
box-shadow: 0 5px 5px -5px #333;
}
.nav-mobile:after {
content: "";
display: table;
clear: both;
}
.nav-mobile svg {
height: 45px;
width: 65px;
padding: 9px;
}
.nav-mobile svg path {
fill: #fff;
}
.nav-mobile svg.icon-close {
display: none;
padding: 15px;
}
.nav-mobile li {
width: 100%;
height: 45px;
line-height: 46px;
text-align: center;
float: left;
}
.nav-mobile li a {
display: block;
color: #333;
width: 100%;
height: 100%;
text-decoration: none;
}
.nav-mobile .menu-button {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
margin: 0;
cursor: pointer;
display: block;
}
.nav-mobile .menu-button:after {
opacity: 0;
top: 45px;
content: "";
width: 100vw;
display: block;
position: fixed;
height: 100vh;
background: rgba(0, 0, 0, 0.5);
content: "";
z-index: 9;
pointer-events: none;
transition: opacity 0.2s cubic-bezier(0, 0, 0.3, 1);
transition-delay: 0.1s;
}
.nav-mobile #menu-toggle {
display: none;
}
.nav-mobile #menu-toggle.active ~ .menu-button .icon-close, .nav-mobile #menu-toggle:checked ~ .menu-button .icon-close {
display: block;
}
.nav-mobile #menu-toggle.active ~ .menu-button .icon-open, .nav-mobile #menu-toggle:checked ~ .menu-button .icon-open {
display: none;
}
.nav-mobile #menu-toggle.active ~ .menu-button:after, .nav-mobile #menu-toggle:checked ~ .menu-button:after {
opacity: 1;
pointer-events: auto;
transition: opacity 0.3s cubic-bezier(0, 0, 0.3, 1);
}
.nav-mobile #menu-toggle.active ~ .menu-sidebar, .nav-mobile #menu-toggle:checked ~ .menu-sidebar {
transform: translateX(0);
transition: transform 0.3s cubic-bezier(0, 0, 0.3, 1);
}
.nav-mobile .menu-container {
width: 65px;
float: left;
cursor: pointer;
position: absolute;
}
.nav-mobile .menu-container .menu-sidebar {
box-shadow: 5px 0 5px -5px #333;
display: block;
width: 65vw;
bottom: 0;
background: white;
color: #333;
position: fixed;
z-index: 9999999;
transform: translateX(-405px);
transition: transform 0.3s cubic-bezier(0, 0, 0.3, 1);
top: 45px;
list-style-type: none;
padding: 0;
max-width: 400px;
}
.nav-mobile .menu-container .menu-sidebar .arrow {
position: absolute;
line-height: 50px;
font-size: 32px;
color: #555;
top: 0;
z-index: 0;
}
.nav-mobile .menu-container .menu-sidebar .arrow.left {
left: 25px;
}
.nav-mobile .menu-container .menu-sidebar .arrow.right {
right: 25px;
}
.nav-mobile .menu-container .menu-sidebar li {
height: 55px;
line-height: 55px;
font-size: 16px;
text-align: left;
position: relative;
border-bottom: 1px solid rgba(0, 0, 0, 0.1);
padding-left: 20px;
}
.nav-mobile .menu-container .menu-sidebar li:hover {
background: #eee;
}
.nav-mobile .menu-container .menu-sidebar li .menu-sub {
position: fixed;
top: 0;
right: 0;
bottom: 0;
width: 0;
overflow: hidden;
background: white;
visibility: hidden;
transition: all 0.3s cubic-bezier(0, 0, 0.3, 1);
border-left: 1px solid #ccc;
list-style-type: none;
padding: 0;
margin: 0;
z-index: 2;
max-width: 400px;
}
.nav-mobile .menu-container .menu-sidebar li .menu-sub li {
overflow: hidden;
}
.nav-mobile .menu-container .menu-sidebar li .menu-sub .menu-sub-title {
padding-left: 50px;
}
.nav-mobile .menu-container .menu-sidebar li .submenu-label {
cursor: pointer;
width: 100%;
height: 100%;
display: block;
}
.nav-mobile .menu-container .menu-sidebar li .submenu-toggle {
display: none;
}
.nav-mobile .menu-container .menu-sidebar li .submenu-toggle.active ~ .menu-sub, .nav-mobile .menu-container .menu-sidebar li .submenu-toggle:checked ~ .menu-sub {
width: 65vw;
visibility: visible;
z-index: 1;
transition: width 0.35s cubic-bezier(0, 0, 0.3, 1);
}
</style>
</head>
<body>
<ul class="nav-mobile check">
<li>CSS-only Playground</li>
<li class="menu-container">
<input id="menu-toggle" type="checkbox">
<label for="menu-toggle" class="menu-button">
<svg class="icon-open" viewBox="0 0 24 24">
<path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"></path>
</svg>
<svg class="icon-close" viewBox="0 0 100 100">
<path d="M83.288 88.13c-2.114 2.112-5.575 2.112-7.69 0L53.66 66.188c-2.113-2.112-5.572-2.112-7.686 0l-21.72 21.72c-2.114 2.113-5.572 2.113-7.687 0l-4.693-4.692c-2.114-2.114-2.114-5.573 0-7.688l21.72-21.72c2.112-2.115 2.112-5.574 0-7.687L11.87 24.4c-2.114-2.113-2.114-5.57 0-7.686l4.842-4.842c2.113-2.114 5.57-2.114 7.686 0l21.72 21.72c2.114 2.113 5.572 2.113 7.688 0l21.72-21.72c2.115-2.114 5.574-2.114 7.688 0l4.695 4.695c2.112 2.113 2.112 5.57-.002 7.686l-21.72 21.72c-2.112 2.114-2.112 5.573 0 7.686L88.13 75.6c2.112 2.11 2.112 5.572 0 7.687l-4.842 4.84z" />
</svg>
</label>
<ul class="menu-sidebar">
<li><a href="#">Item</a></li>
<li><a href="#">Item</a></li>
<li><a href="#">Item</a></li>
<li>
<input type="checkbox" id="sub-one" class="submenu-toggle">
<label class="submenu-label" for="sub-one">Category</label>
<div class="arrow right">›</div>
<ul class="menu-sub">
<li class="menu-sub-title">
<label class="submenu-label" for="sub-one">Back</label>
<div class="arrow left">‹</div>
</li>
<li><a href="#">Sub-item</a></li>
<li><a href="#">Sub-item</a></li>
<li><a href="#">Sub-item</a></li>
<li><a href="#">Sub-item</a></li>
</ul>
</li>
<li>
<input type="checkbox" id="sub-two" class="submenu-toggle">
<label class="submenu-label" for="sub-two">Category</label>
<div class="arrow right">›</div>
<ul class="menu-sub">
<li class="menu-sub-title">
<label class="submenu-label" for="sub-two">Back</label>
<div class="arrow left">‹</div>
</li>
<li><a href="#">Sub-item</a></li>
<li><a href="#">Sub-item</a></li>
<li><a href="#">Sub-item</a></li>
<li><a href="#">Sub-item</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</body>
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