Up Down Animation With CSS Style01

<!DOCTYPE html>
<html>
<head>
	<title>UP DOWN ANIMATION WITH CSS | par NGLESSON</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<meta name="keyword" content="UP DOWN ANIMATION WITH CSS">
	<meta name="author" content="Mezgani said">
	<meta name="copyright" content="NGLESSON">
	<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet">
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
	<link href="style.css" rel="stylesheet">
</head>
<body>
	<div class="container mt-5 mb-5">
    <div class="row text-center mx-auto">
      <div class="col-12 mb-5">
        <h1 class="text-center animated-up-to-down text-success">NGLESSON.COM</h1>
      </div>
      <div class="col-4 offset-4 mt-5">
        <img src="../../assets/imgs/logo/nglesson.png" class="img-fluid animated-up-to-down" alt="NGLESSON.COM" title="nglesson">
      </div>
    </div>
	</div>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>                       
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> 
</body>
</html>

.animated-up-to-down {
    -webkit-animation: up-down 2s ease-in-out infinite alternate-reverse both;
    animation: up-down 2s ease-in-out infinite alternate-reverse both;
}
@-webkit-keyframes up-down {
    0% {
        transform: translateY(10px);
        -webkit-transform: translateY(10px);
        -moz-transform: translateY(10px);
        -ms-transform: translateY(10px);
        -o-transform: translateY(10px);
    }
    100% {
        transform: translateY(-10px);
        -webkit-transform: translateY(-10px);
        -moz-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        -o-transform: translateY(-10px);
    }
}
@keyframes up-down {
    0% {
        transform: translateY(10px);
        -webkit-transform: translateY(10px);
        -moz-transform: translateY(10px);
        -ms-transform: translateY(10px);
        -o-transform: translateY(10px);
    }
    100% {
        transform: translateY(-10px);
        -webkit-transform: translateY(-10px);
        -moz-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        -o-transform: translateY(-10px);
    }
}
@-moz-keyframes up-down {
    0% {
        transform: translateY(10px);
        -webkit-transform: translateY(10px);
        -moz-transform: translateY(10px);
        -ms-transform: translateY(10px);
        -o-transform: translateY(10px);
    }
    100% {
        transform: translateY(-10px);
        -webkit-transform: translateY(-10px);
        -moz-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        -o-transform: translateY(-10px);
    }
}

                                    
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