body {
    font-family: Arial, sans-serif;             
    background-color: #f4f4f9;          /*Коментар*/
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    text-align: center;
    display: flex;
    justify-content: center;
     /*Коментар*/
}