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Animation sur texte 2

CSS :

<!-- General link styles -->
.link {
outline: none;
text-decoration: none;
position: relative;
font-size: 8em;
line-height: 1;
color: #9e9ba4;
display: inline-block;
}

@media screen and (max-width: 42em) {
.link--takiri { font-size: 3.5em; }

}

.link--takiri {
font-style: italic;
font-family: 'Playfair Display', serif;
font-weight: 700;
font-size: 7em;
padding: 0 10px 20px;
-webkit-transition: color 0.5s;
transition: color 0.5s;
}

.link--takiri:hover {
color: #1e1a1b;
}

.link--takiri::before {
content: '';
position: absolute;
height: 36px;
width: 120%;
top: 50%;
margin-top: -18px;
left: -10%;
z-index: -1;
background: #F9F9F9;
-webkit-transform: rotate3d(0,0,1,45deg) scale3d(0,1,1);
transform: rotate3d(0,0,1,45deg) scale3d(0,1,1);
-webkit-transition: -webkit-transform 0.5s;
transition: transform 0.5s;
}

.link--takiri:hover::before {
-webkit-transform: rotate3d(0,0,1,45deg) scale3d(1,1,1);
transform: rotate3d(0,0,1,45deg) scale3d(1,1,1);
}

.link--takiri span {
font-size: 20%;
font-weight: 400;
position: absolute;
right: 15px;
color: #e53369;
bottom: 0;
opacity: 0;
-webkit-transform: translate3d(-10px,-10px,0);
transform: translate3d(-10px,-10px,0);
-webkit-transition: -webkit-transform 0.5s, opacity 0.5s;
transition: transform 0.5s, opacity 0.5s;
}

.link--takiri:hover span {
opacity: 1;
-webkit-transform: translate3d(0,0,0);
transform: translate3d(0,0,0);
}


JavaScript :

<script>
    window.requestAnimFrame = (function(callback) {
	return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame 
        || window.oRequestAnimationFrame || window.msRequestAnimationFrame ||
		function(callback) {
		   window.setTimeout(callback, 1000 / 60);
				};
		})();

	var requestId, jolttime;

	var c = document.getElementById('canv');
	var $ = c.getContext('2d');

	var s = 18; //grid square size
	var mv = 10; //moving areas
	var sp = 1; //move speed
	var clm = 23; //columns
	var rw = 10; //rows
	var x = []; //x array
	var y = []; //y array
	var X = []; //starting X array
	var Y = []; //starting Y array
	c.width  = c.offsetWidth;
	c.height = c.offsetHeight;

	for (var i = 0; i < clm * rw; i++) {
		x[i] = ((i % clm) - 0.5) * s;
		y[i] = (Math.floor(i / clm) - 0.5) * s;
		X[i] = x[i];
		Y[i] = y[i];
	}
	var t = 0;

	function jolt() {
		$.fillRect(0, 0, c.width, c.height);

		for (var i = 0; i < clm * rw; i++) {
			if (i % clm != clm - 1 && i < clm * (rw - 1) - 1) {
				$.fillStyle = "hsla(0,0,0,1)";
				$.strokeStyle = "#95D384";
				$.lineWidth = 1;
				$.beginPath();
				$.moveTo(x[i], y[i]);
				$.lineTo(x[i + 1], y[i + 1]);
				$.lineTo(x[i + clm + 1], y[i + clm + 1]);
				$.lineTo(x[i + clm], y[i + clm]);
				$.closePath();
				$.stroke();
				$.fill();
			}
		}
		for (var i = 0; i < rw * clm; i++) {
			if ((x[i] < X[i] + mv) && (x[i] > X[i] - mv) && (y[i] < Y[i] + mv) && (y[i] > Y[i] - mv)) {
				x[i] = x[i] + Math.floor(Math.random() * (sp * 2 + 1)) - sp;
				y[i] = y[i] + Math.floor(Math.random() * (sp * 2 + 1)) - sp;
			} else if (x[i] >= X[i] + mv) {
				x[i] = x[i] - sp;
			} else if (x[i] <= X[i] - mv) {
				x[i] = x[i] + sp;
			} else if (y[i] >= Y[i] + mv) {
				y[i] = y[i] - sp;
			} else if (y[i] <= Y[i] + mv) {
				y[i] = y[i] + sp;
			}
		}
		//controls time of electric shake> when counter equals 0, it will reset for 5s then start again.
		if (t % c.width == 0) {
			jolttime = setTimeout('jolt()', 5);
			t++;
		} else {
			jolttime = setTimeout('jolt()', 5);
			t++;
			}
		}

		function start() {
			if (!requestId) {
				requestId = window.requestAnimFrame(jolt);
			}
		}

		function stop() {
			if (requestId) {
				clearTimeout(jolttime);
				window.cancelAnimationFrame(requestId);
				requestId = undefined;
			}
		}

		document.querySelector('a.link--asiri').addEventListener('mouseenter', start);
		document.querySelector('a.link--asiri').addEventListener('mouseleave', stop);
	</script>
	<script>
		// For Demo purposes only (show hover effect on mobile devices)
		[].slice.call( document.querySelectorAll('.grid a') ).forEach( function(el) {
			el.onclick = function() { return false; }
		} );
	</script>

HTML :

<div class="grid__item">
     <a class="link link--takiri" href="#">Takiri <span>Where do you want to be?</span></a>
</div>

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