body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    text-align: center;
    margin: 0;
    padding: 0;
}
h1 {
    color: #333;
    margin-top: 50px;
}
input[type="text"] {
    width: 300px;
    padding: 10px;
    margin: 20px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}
button {
    padding: 10px 20px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
}
button:hover {
    background-color: #45a049;
}
#debug {
    color: red;
    margin-top: 20px;
}
#time {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
}
.expand-btn {
    cursor: pointer;
    color: blue;
    text-decoration: underline;
}
.details {
    display: none;
    text-align: left;
    margin-top: 10px;
}
table {
    margin: 0 auto;
    border-collapse: collapse;
}
td {
    padding: 10px;
    border: 1px solid #ccc;
}