body {  
    font-family: Arial, sans-serif;  
    background-color: #f4f4f4;  
    margin: 0;  
    padding: 0;  
    display: flex;  
    justify-content: center;  
    align-items: center;
}  
  
.container {  
    background: #fff;  
    padding: 20px;  
    border-radius: 8px;  
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);  
    width: 80%;  
    max-width: 1600px;  
}  
  
h1 {  
    margin-bottom: 20px;  
}  
  
textarea {  
    width: 100%;  
    height: 300px;  
    padding: 10px;  
    margin-bottom: 10px;  
    border-radius: 4px;  
    border: 1px solid #ccc;  
    font-family: monospace;  
}  
  
button {  
    padding: 10px 20px;  
    border: none;  
    border-radius: 4px;  
    background-color: #007bff;  
    color: #fff;  
    cursor: pointer;  
    font-size: 16px;  
}  
  
button:hover {  
    background-color: #0056b3;  
}  
  
pre {  
    width: 100%;  
    height: 300px;
    overflow-y: scroll;
    padding: 10px;  
    margin-top: 20px;  
    background-color: #f9f9f9;  
    border-radius: 4px;  
    overflow-x: auto;  
    white-space: pre-wrap;  
    word-wrap: break-word;  
    font-family: monospace;  
}
select{
    height: 41px;
    font-size: 18px;
}