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HTML 

              
                <div class="searchContainer">
	<div class="closecontainer">
		<div class="close"></div>
	</div>
	<div class="search">
		<svg class="searchIcon" viewBox="0 0 612.01 612.01">
			<path fill="#6DC38F" d="M606.209,578.714L448.198,423.228C489.576,378.272,515,318.817,515,253.393C514.98,113.439,399.704,0,257.493,0
						S0.006,113.439,0.006,253.393c0,139.954,115.276,253.393,257.487,253.393c61.445,0,117.801-21.253,162.067-56.586
						l158.624,156.099c7.729,7.614,20.277,7.614,28.007,0C613.938,598.686,613.938,586.328,606.209,578.714z M257.493,467.8
						c-120.326,0-217.869-95.992-217.869-214.407c0-118.414,97.543-214.407,217.869-214.407c120.327,0,217.869,95.993,217.869,214.407
						C475.362,371.808,377.82,467.8,257.493,467.8z"/>
		</svg>

		<input class="searchInput" type="text">
		<div class="result">
			<p>The results for<span class="word"></span></p>
			<div class="results">Hey im a result</div>
			<div class="results">Hey look at me im also a result</div>
			<div class="results">Im definitely the best result </div>
			<div class="results">whatev</div>
		</div>
	</div>
</div>
!

CSS 

              
                @import url(https://fonts.googleapis.com/css?family=Poppins:400,300,700); 

body{
	background: #1d2124;
	font-family: 'Poppins', sans-serif;
}

.searchContainer{
	height: 100%;
	width:100%;
	position: relative;
	overflow:hidden;
}

.search{
	height: 0px;
	width: 0px;
	background: #6DC38F;
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	border-radius: 1000px;
	transition: .6s all cubic-bezier(.77,0,.175,1);
	z-index: 99;
	
	&.expand{
		height: 4000px;
		width: 4000px;
		
		.searchIcon{
			display: none;
		}
	}
	
	.searchInput{
		position:absolute;
		display: none;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		width: 300px;
		height:40px;
		background: transparent;
		border: none;
		border-bottom: 3px solid white;
		outline: none;
		color: #333;
		font-size: 26px;
		z-index:10;
	}
	
	.result{
		position: fixed;
		display: none;
		max-width:1200px;
		height: 400px;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		color: #fff;
		p{
			font-weight: 100;
			font-size: 38px;
		}
		span{
			font-weight: 700;
		}
		.results{
			display: none;
			margin-top: 30px;
			font-size: 16px;
			border-bottom: 1px solid white;
		}
	}
}

.searchIcon{
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width:40px;
	height:auto;
	stroke: #06fea6;
	cursor: pointer;
}

.closecontainer{
	position: fixed;
	z-index:999;
	height:50px;
	width:50px;
	top:30px;
	right:70px;
	cursor: pointer;
	display: none;

	.close::before, .close::after {
		content: "";
		position:absolute;
		border: solid #fff 2px;
		height: 20px;  
		width: 20px;
		transform: rotate(45deg); 
	}
	.close::before {
	  border-width: 0px 2px 2px 0px;
	  top: -5px;
	}
	.close::after {
	  border-width: 2px 0px 0px 2px;
	  top: 24px;
	}
	
}
!

JS 

              
                $(window).load(function() {
	var icon = $('.searchIcon');
	var search = $('.search');
	var close = $('.closecontainer');
	var input = $('input.searchInput');
	var result = $('.result');
	var results = $('.results');
	var word = $('.word');
	var self = $(this);
	var setFocus;
	
	close.on('click', function() {
		toggleExpand();
	});

	icon.on('click', function() {
		toggleExpand();
	});

	function toggleExpand() {
		if (search.hasClass('expand')) {
			search.removeClass('expand');
			close.fadeOut();
			result.fadeOut();
			results.fadeOut();
			input.fadeOut('fast');
			input.val("");
		} else{
			clearTimeout(setFocus);
			search.addClass('expand');
			close.delay(400).fadeIn();
			input.delay(700).fadeIn('slow');
			setFocus = setTimeout(function(){
			input.focus();	
			input.on('keydown', function(e) {
				if (e.which == 13) {
					var searchWord = " " + input.val();
					input.fadeOut();
					word.text(searchWord);
					result.fadeIn();
					setFocus = setTimeout(function(){
						results.each(function(index) {
							$(this).delay(80*index).fadeIn(500)
						});
					}, 500);
					e.preventDefault();
				 }
			});
			}, 1000);
		}
	}
});
!
999px

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