body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    max-width: 700px;
    margin: auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #333;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.form-group {
    margin-bottom: 15px;
    padding: 0 10px;
}

.half-width {
    flex: 1 1 50%;
}

.one-third-width {
    flex: 1 1 33%;
}

.full-width {
    flex: 1 1 100%;
}

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.button-group {
    text-align: center;
    margin: 20px 0;
}

.button-group button {
    background-color: #007BFF;
    color: #fff;
    border: none;
    padding: 10px 20px;
    margin: 0 5px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.button-group button:hover {
    background-color: #0056b3;
}

textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

#outputContainer {
    margin-top: 20px;
}