header{
    text-align: center;
    background-color: ligh;
}

table{
    border: blanchedalmond;

    
}
.ex{
    background-color:rgb(241, 161, 161);
    color:black;
    font-family: monospace;
}
tbody{
    font-family: 'Courier New', Courier, monospace;
    background-color: lightgrey;
}
thead{
    background-color: lightgrey;
}