<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="hamburger-menu">
<button class="burger" data-state="closed">
<span></span>
<span></span>
<span></span>
</button>
</div>
<nav data-state="closed">
<ul>
<li>
<a href="#">Home</a>
</li>
<li>
<a href="#">Services</a>
</li>
<li>
<a href="#">About</a>
</li>
<li>
<a href="#">Contact</a>
</li>
</ul>
</nav>
<main>
<div class="container">
<div class="row">
<div class="col-md-6 align-self-center">
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<div class="col-md-6 align-self-center">
<h1>404</h1>
<h2>UH OH! You're lost.</h2>
<p>The page you are looking for does not exist.
How you got here is a mystery. But you can click the button below
to go back to the homepage.
</p>
<button class="btn green">HOME</button>
</div>
</div>
</div>
</main>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.1.1/gsap.min.js"></script>
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@import url("https://fonts.googleapis.com/css?family=Nunito+Sans");
:root {
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--white: #fff;
--green: #2ccf6d;
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html,
body {
height: 100%;
}
body {
display: flex;
align-items: center;
justify-content: center;
font-family: "Nunito Sans";
color: var(--blue);
font-size: 1em;
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svg {
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visibility: hidden;
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margin: 15px 0px;
font-weight: bold;
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h2 {
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left: 0;
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height: 100%;
top: 0;
left: 0;
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color: var(--blue);
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padding-top: 80px;
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transform: translateX(0px);
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transform: translateX(0px);
opacity: 1;
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transition-delay: 0.64s;
transform: translateX(0px);
opacity: 1;
}
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z-index: 1;
overflow: hidden;
background: transparent;
position: relative;
padding: 8px 50px;
border-radius: 30px;
cursor: pointer;
font-size: 1em;
letter-spacing: 2px;
transition: 0.2s ease;
font-weight: bold;
margin: 5px 0px;
}
.btn.green {
border: 4px solid var(--green);
color: var(--blue);
}
.btn.green:before {
content: "";
position: absolute;
left: 0;
top: 0;
width: 0%;
height: 100%;
background: var(--green);
z-index: -1;
transition: 0.2s ease;
}
.btn.green:hover {
color: var(--white);
background: var(--green);
transition: 0.2s ease;
}
.btn.green:hover:before {
width: 100%;
}
@media screen and (max-width: 768px) {
body {
display: block;
}
.container {
margin-top: 70px;
margin-bottom: 70px;
}
}