body {
    font-family: Arial, sans-serif;
    background: white;
    margin: 0;
    padding: 20px;
    
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    border:solid green 5px;
}

h1 {
    text-align: center;
}

label {
    display: block;
    margin: 10px 0 5px;
}

input {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    background-color:green;
    color:white;
    height:70px;
    font-family: Helvetica;
  ont-style:bold;
  border:solid green 3px;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 15px;
    cursor: pointer;
}

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

.result {
    margin-top: 20px;
    font-size: 1.2em;
    text-align: center;
}