div.ev {
    width:80%;
    padding:5px;
    border:10px solid gray;
    margin:0px;
    margin-left:auto;
    margin-right:auto;
    align:left;
    text-indent: 0em;
    font-family:Courier,New Lucida,Console;
}
div.ex {
    text-indent: 0em;
    width:68% solid black;
    padding:5% solid red;
    border:10% solid gray;
    margin:2% solid green;
    margin-left:auto;
    margin-right:auto;
    font-family:Courier,New Lucida,Console;
}
div.ColorBig {
    color: white;
    background-color: blue;
    font-size: 24px;
    text-align: center;
    font-family:Courier,New Lucida,Console;
}
#par1 {
/*
    width:50% solid black;
    padding:10% solid red;
    border:10% solid gray;
    margin:10% solid green;
    text-align: center;
    margin-left:auto;
    margin-right:auto;
*/
    color: red;
    background-color: pink;
}