Input valid invalid HTML CSS

<!DOCTYPE html>
<html lang="en">
<head>
    <title>INPUT VALID INVALID HTML 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="INPUT VALID INVALID HTML CSS">
    <meta name="author" content="Mezgani said">
    <meta name="copyright" content="NGLESSON">
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet" type="text/css">
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" type="text/css">
    <link href="style.css"  rel="stylesheet" type="text/css">
</head>
<body class="container">
    <div class="row">
		<form class="col-lg-6 col-12 mt-5">
			<div class="form-group">
				<label for="inputname" class="bold"><i class="fa fa-user"></i> Nom:</label>
				<input 
				class="form-control"
				type="text" 
				name="inputname" 
				id="inputname"
				placeholder="Entrez votre name" >
			</div>
			<div class="form-group">
				<label for="inputnamevalidation" class="bold"><i class="fa fa-user"></i> Nom (validation):</label>
				<input 
				class="form-control"
				type="text" 
				name="inputnamevalidation" 
				id="inputnamevalidation"
				maxlength="100" 
				minlength="4"
				pattern=".{4,100}"
				title="Votre nom doit contenir entre 4 et 100 caractéres" 
				placeholder="Entrez votre nom" 
				required>
			</div>
			<hr>
			<div class="form-group">
				<label for="email" class="bold"><i class="fa fa-envelope"></i> Email:</label>
				<input 
				class="form-control"
				type="email" 
				name="email" 
				placeholder="Entrez votre login" >
			</div>
			<div class="form-group">
				<label for="emailvalidation" class="bold"><i class="fa fa-envelope"></i> Email (validation):</label>
				<input 
				class="form-control"
				type="email" 
				name="emailvalidation" 
				maxlength="100" 
				minlength="4"
				pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$"
				title="Votre format email est invalide" 
				placeholder="Entrez votre login" 
				email required>
			</div>
		</form>
	</div>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
	<script type="text/javascript" src="script.js"></script>
</body>
</html>
@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@100&display=swap');

* {
    margin:0px;
    padding:0px;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
} 
body {
    padding: 3em;
}
.bold {
    font-weight: bold;
}
input:invalid {
    border:1px solid #F07355;
}  
input:valid {
    border:1px solid #02AB83;
}  

::-webkit-input-placeholder { /* Edge */
    color: #858383;
    font-size: 12px;
    font-weight: 600;
}
:-ms-input-placeholder { /* Internet Explorer 10-11 */
    color: #858383;
    font-size: 12px;
    font-weight: 600;
}
::placeholder {
    color: #858383;
    font-size: 12px;
    font-weight: 600;
}

                                    
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