body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
h1 {
    text-align: justify;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}
section {
    margin-bottom: 20px 0;
}
label {
    display: inline-block;
    margin: 5px 0;
    font-weight: bold;
}
input[type="text"], input[type="number"] {
    padding: 5px;
    margin-left: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    background-color: #3498db;
    color: #fff;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    margin: 5px 5px 5px 0;
}
button:hover {
    background-color: #2980b9;
}
#senha-gerar {
    font-family: monospace;
    color: #e74c3c;
    font-size: 1.2em;
    padding: 5px 10px;
    border-radius: 4px;
    margin-right: 10px;
}
.explicacao {
    background-color: #ecf0f1;
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
}
hr {
    border: none;
    height: 1px;
    background: #ddd;
    margin: 20px 0;
}