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Source Code
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!-- This script got from www.devanswer.com -->
<style>
@font-face {
font-family: 'Open Sans';
font-style: normal;
font-weight: 300;
src: local('Open Sans Light'), local('OpenSans-Light'), url(https://fonts.gstatic.com/s/opensans/v16/mem5YaGs126MiZpBA-UN_r8OUuhs.ttf) format('truetype');
}
@font-face {
font-family: 'Pacifico';
font-style: normal;
font-weight: 400;
src: local('Pacifico Regular'), local('Pacifico-Regular'), url(https://fonts.gstatic.com/s/pacifico/v15/FwZY7-Qmy14u9lezJ-6H6Mw.ttf) format('truetype');
}
.flex-center {
display: flex;
align-items: center;
justify-content: center;
}
* {
box-sizing: border-box;
font-family: 'Open Sans', sans-serif;
font-weight: 300;
}
a,
a:visited,
a:hover,
a:active {
color: inherit;
text-decoration: none;
}
h1 {
font-family: 'Pacifico', cursive;
font-weight: 400;
font-size: 3em;
text-align: center;
}
.outer-menu {
position: fixed;
top: 10vh;
left: 0;
z-index: 1;
}
.outer-menu .checkbox-toggle {
position: absolute;
top: 0;
left: 0;
z-index: 2;
cursor: pointer;
width: 60px;
height: 60px;
opacity: 0;
}
.outer-menu .checkbox-toggle:checked + .hamburger > div {
-webkit-transform: rotate(135deg);
transform: rotate(135deg);
}
.outer-menu .checkbox-toggle:checked + .hamburger > div:before,
.outer-menu .checkbox-toggle:checked + .hamburger > div:after {
top: 0;
-webkit-transform: rotate(90deg);
transform: rotate(90deg);
}
.outer-menu .checkbox-toggle:checked + .hamburger > div:after {
opacity: 0;
}
.outer-menu .checkbox-toggle:checked ~ .menu {
pointer-events: auto;
visibility: visible;
}
.outer-menu .checkbox-toggle:checked ~ .menu > div {
-webkit-transform: scale(1);
transform: scale(1);
transition-duration: 0.75s;
}
.outer-menu .checkbox-toggle:checked ~ .menu > div > div {
opacity: 1;
transition: opacity 0.4s ease 0.4s;
}
.outer-menu .checkbox-toggle:hover + .hamburger {
box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}
.outer-menu .checkbox-toggle:checked:hover + .hamburger > div {
-webkit-transform: rotate(225deg);
transform: rotate(225deg);
}
.outer-menu .hamburger {
position: absolute;
top: 0;
left: 0;
z-index: 1;
width: 60px;
height: 60px;
padding: 0.5em 1em;
background: rgba(33, 150, 243, 0.75);
border-radius: 0 0.12em 0.12em 0;
cursor: pointer;
transition: box-shadow 0.4s ease;
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
display: flex;
align-items: center;
justify-content: center;
}
.outer-menu .hamburger > div {
position: relative;
flex: none;
width: 100%;
height: 2px;
background: #FEFEFE;
transition: all 0.4s ease;
display: flex;
align-items: center;
justify-content: center;
}
.outer-menu .hamburger > div:before,
.outer-menu .hamburger > div:after {
content: '';
position: absolute;
z-index: 1;
top: -10px;
left: 0;
width: 100%;
height: 2px;
background: inherit;
transition: all 0.4s ease;
}
.outer-menu .hamburger > div:after {
top: 10px;
}
.outer-menu .menu {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
visibility: hidden;
overflow: hidden;
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
outline: 1px solid transparent;
display: flex;
align-items: center;
justify-content: center;
}
.outer-menu .menu > div {
width: 200vw;
height: 200vw;
color: #FEFEFE;
background: rgba(41, 98, 255, 0.97);
border-radius: 50%;
transition: all 0.4s ease;
flex: none;
-webkit-transform: scale(0);
transform: scale(0);
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
overflow: hidden;
display: flex;
align-items: center;
justify-content: center;
}
.outer-menu .menu > div > div {
text-align: center;
max-width: 90vw;
max-height: 100vh;
opacity: 0;
transition: opacity 0.4s ease;
overflow-y: auto;
flex: none;
display: flex;
align-items: center;
justify-content: center;
}
.outer-menu .menu > div > div > ul {
list-style: none;
padding: 0 1em;
margin: 0;
display: block;
max-height: 100vh;
}
.outer-menu .menu > div > div > ul > li {
padding: 0;
margin: 1em;
font-size: 24px;
display: block;
}
.outer-menu .menu > div > div > ul > li > a {
position: relative;
display: inline;
cursor: pointer;
transition: color 0.4s ease;
}
.outer-menu .menu > div > div > ul > li > a:hover {
color: #e5e5e5;
}
.outer-menu .menu > div > div > ul > li > a:hover:after {
width: 100%;
}
.outer-menu .menu > div > div > ul > li > a:after {
content: '';
position: absolute;
z-index: 1;
bottom: -0.15em;
left: 0;
width: 0;
height: 2px;
background: #e5e5e5;
transition: width 0.4s ease;
}
</style>
</head>
<body>
<h1>Your Content</h1>
<div class="outer-menu">
<input class="checkbox-toggle" type="checkbox" />
<div class="hamburger">
<div></div>
</div>
<div class="menu">
<div>
<div>
<ul>
<li><a href="#">About</a></li>
<li><a href="#">Products</a></li>
<li><a href="#">Blog</a></li>
<li><a href="#">Contact</a></li>
</ul>
</div>
</div>
</div>
</div><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com">Developers Answer</a></div>
</body>
</html>
