body {
    font-family: Arial, sans-serif;
    background: #f5f7f8;
    padding: 20px;
}

.container {
    max-width: 780px;
    margin: 0 auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
}

h1 {
    margin-bottom: 0;
}

h2 {
    color: #555;
    font-weight: normal;
}

label {
    display: block;
    font-weight: bold;
    margin-top: 15px;
    margin-bottom: 6px;
}

select,
button {
    width: 100%;
    padding: 11px;
    font-size: 16px;
    box-sizing: border-box;
}

button {
    margin-top: 20px;
    background: #28a745;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background: #218838;
}

.checkbox-label {
    font-weight: normal;
}

.checkbox-label input {
    width: auto;
}

#progress {
    margin-top: 20px;
    color: green;
    font-weight: bold;
}