body { 
    font-family: Arial, sans-serif; 
    margin: 50px; 
}

.form-group { 
    margin-bottom: 20px; 
}

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

input[type="text"], input[type="number"], select { 
    padding: 8px; 
    width: 260px; 
    font-size: 16px; 
    box-sizing: border-box; 
}

button { 
    padding: 10px 20px; 
    background-color: #28a745; 
    color: white; 
    border: none; 
    font-size: 16px; 
    cursor: pointer; 
}

button:hover { 
    background-color: #218838; 
}