style.css

body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 20px;
    background-color: #f4f4f4;
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    color: #333;
}

form {
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    height: 100px;
}

button {
    margin-top: 10px;
    padding: 10px;
    background: #5cb85c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #4cae4c;
}

.results {
    margin-top: 20px;
}

.result-box {
    margin-bottom: 20px;
    background: #e9ecef;
    padding: 10px;
    border-radius: 5px;
}

#decoded-result {
    margin-top: 10px;
    font-weight: bold;
}