index.html

<!DOCTYPE html>
<html lang="pt-br">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Bin2Dec</title>
    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0" />
    <link rel="stylesheet" href="styles.css" />
</head>
<body>
    <div class="content">
        <h1 class="title">Conversor de Binário para Decimal</h1>

        <h3 class="subtitle">Digite um valor binário de até 8 dígitos</h3>

        <div class="convert-field">
            <input
                type="text"
                id="bin-number"
                maxlength="8"
            />
            <button id="btn-convert" disabled>
                <span class="material-symbols-outlined">
                    sync_alt
                </span>
            </button>
        </div>
        
        <span id="error-message">Digito inválido informado!</span>
        <span id="result"></span>
    </div>

    <script src="scripts.js"></script>
</body>
</html>