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

h2 {
    text-align: center;
}

form {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px gray;
    max-width: 400px;
    margin: 0 auto;
}

label {
    font-weight: bold;
    display: block;
    margin-top: 10px;
}

input, select {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid gray;
}

button {
    margin-top: 15px;
    padding: 10px;
    width: 48%;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    font-weight: bold;
}
button:first-child {
    background-color: green;
    color: white;
}

button:last-child {
    background-color: red;
    color: white;
}

#output {
    margin-top: 20px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0px 0px 10px gray;
}