.rules_headline{
    text-align: center;
    font-weight: 1000;
    /*the text have to be in a biger Pixel number I do not know how to do it */
}

.rules_list{
    text-align:left;
    display:block;
    font-size: 14px;
    font-weight: 60 ;
    /*the text sice can stay like it is, if you do not want to change it.*/
}