body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
    color: #333;
    overflow: auto;
}
.container {
    width: 100%;
    max-width: 350px;
    text-align: center;
    padding: 20px;
    margin: auto;
    box-sizing: border-box;
    border-radius: 10px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
h1 {
    font-size: 24px;
    color: #333;
}
#fact {
    margin-top: 20px;
    font-size: 16px;
    padding: 10px;
    border-left: 5px solid #4CAF50;
    background: #f0f0f0;
    text-align: left;
    overflow-wrap: break-word;
}
button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #45a049;
}