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stripe_dropdown.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Follow Along Nav</title>
</head>
<body>
<h2>Cool</h2>
<nav class="top">
<div class="dropdownBackground">
<span class="arrow"></span>
</div>
<ul class="cool">
<li>
<a href="#">About Me</a>
<div class="dropdown dropdown1">
<div class="bio">
<img src="https://logo.clearbit.com/wesbos.com">
<p>Wes Bos sure does love web development. He teaches things like JavaScript, CSS and BBQ. Wait. BBQ isn't part of web development. It should be though!</p>
</div>
</div>
</li>
<li>
<a href="#">Courses</a>
<ul class="dropdown courses">
<li>
<span class="code">RFB</span>
<a href="https://ReactForBeginners.com">React For Beginners</a>
</li>
<li>
<span class="code">ES6</span>
<a href="https://ES6.io">ES6 For Everyone</a>
</li>
<li>
<span class="code">STPU</span>
<a href="https://SublimeTextBook.com">Sublime Text Power User</a>
</li>
<li>
<span class="code">WTF</span>
<a href="http://flexbox.io">What The Flexbox?!</a>
</li>
<li>
<span class="code">LRX</span>
<a href="http://LearnRedux.com">Learn Redux</a>
</li>
<li>
<span class="code">CLPU</span>
<a href="http://CommandLinePowerUser.com">Command Line Power User</a>
</li>
<li>
<span class="code">MMD</span>
<a href="http://MasteringMarkdown.com">Mastering Markdown</a>
</li>
</ul>
</li>
<li>
<a href="#">Other Links</a>
<ul class="dropdown dropdown3">
<li><a class="button" href="http://twitter.com/wesbos">Twitter</a></li>
<li><a class="button" href="http://facebook.com/wesbos.developer">Facebook</a></li>
<li><a class="button" href="http://wesbos.com">Blog</a></li>
<li><a class="button" href="http://wesbos.com/courses">Course Catalog</a></li>
</ul>
</li>
</ul>
</nav>
<style>
html {
box-sizing: border-box;
font-family: "Arial Rounded MT Bold","Helvetica Rounded",Arial,sans-serif
}
*, *:before, *:after {
box-sizing: inherit;
}
body {
margin: 0;
min-height: 100vh;
background:
linear-gradient(45deg, hsla(340, 100%, 55%, 1) 0%, hsla(340, 100%, 55%, 0) 70%),
linear-gradient(135deg, hsla(225, 95%, 50%, 1) 10%, hsla(225, 95%, 50%, 0) 80%),
linear-gradient(225deg, hsla(140, 90%, 50%, 1) 10%, hsla(140, 90%, 50%, 0) 80%),
linear-gradient(315deg, hsla(35, 95%, 55%, 1) 100%, hsla(35, 95%, 55%, 0) 70%);
}
h2 {
margin-top: 0;
padding-top: .8em;
}
nav {
position: relative;
perspective: 600px;
}
.cool > li > a {
color: yellow;
text-decoration: none;
font-size: 20px;
background: rgba(0,0,0,0.2);
padding:10px 20px;
display: inline-block;
margin:20px;
border-radius:5px;
}
nav ul {
list-style: none;
margin: 0;
padding: 0;
display: flex;
justify-content: center;
}
.cool > li {
position: relative;
display:flex;
justify-content: center;
}
.dropdown {
opacity: 0;
position: absolute;
overflow: hidden;
padding:20px;
top:-20px;
border-radius:2px;
transition: all 0.5s;
transform: translateY(100px);
will-change: opacity;
display: none;
}
.trigger-enter .dropdown {
display: block;
}
.trigger-enter-active .dropdown {
opacity: 1;
}
.dropdownBackground {
width:100px;
height:100px;
position: absolute;
background: #fff;
border-radius: 4px;
box-shadow: 0 50px 100px rgba(50,50,93,.1), 0 15px 35px rgba(50,50,93,.15), 0 5px 15px rgba(0,0,0,.1);
transition:all 0.3s, opacity 0.1s, transform 0.2s;
transform-origin: 50% 0;
display: flex;
justify-content: center;
opacity:0;
}
.dropdownBackground.open {
opacity: 1;
}
.arrow {
position: absolute;
width:20px;
height:20px;
display: block;
background:white;
transform: translateY(-50%) rotate(45deg);
}
.bio {
min-width:500px;
display:flex;
justify-content: center;
align-items: center;
line-height: 1.7;
}
.bio img {
float:left;
margin-right:20px;
}
.courses {
min-width:300px;
}
.courses li {
padding: 10px 0;
display: block;
border-bottom: 1px solid rgba(0,0,0,0.2);
}
.dropdown a {
text-decoration: none;
color: #ffc600;
}
a.button {
background:black;
display: block;
padding:10px;
color:white;
margin-bottom: 10px;
}
/* Matches Twitter, TWITTER, twitter, tWitter, TWiTTeR... */
.button[href*=twitter] { background: #019FE9; }
.button[href*=facebook] { background: #3B5998; }
.button[href*=courses] { background: #ffc600; }
</style>
<script>
const triggers = document.querySelectorAll('.cool > li');
const background = document.querySelector('.dropdownBackground');
const nav = document.querySelector('.top');
function handleEnter() {
this.classList.add('trigger-enter');
setTimeout(() => this.classList.contains('trigger-enter') && this.classList.add('trigger-enter-active'), 150);
/* setTimeout(() => {
if(this.classList.contains('trigger-enter')) {
this.classList.add('trigger-enter-active');
}
}, 150); */
background.classList.add('open');
const dropdown = this.querySelector('.dropdown');
const dropdownCoords = dropdown.getBoundingClientRect();
const navCoords = nav.getBoundingClientRect();
const coords = {
height: dropdownCoords.height,
width: dropdownCoords.width,
top: dropdownCoords.top - navCoords.top,
left: dropdownCoords.left - navCoords.left,
};
background.style.setProperty('width', `${coords.width}px`);
background.style.setProperty('height', `${coords.height}px`);
background.style.setProperty('transform', `translate(${coords.left}px, ${coords.top}px)`)
}
function handleLeave() {
this.classList.remove('trigger-enter', 'trigger-enter-active');
background.classList.remove('open');
}
triggers.forEach(trigger => trigger.addEventListener('mouseenter', handleEnter));
triggers.forEach(trigger => trigger.addEventListener('mouseleave', handleLeave));
</script>
</body>
</html>