body{
    font: 9pt/1 "IRANSans", tahoma;
}

.descr {
    line-height: 2;
    font-size: 10pt;
    text-align: justify;
    margin-bottom: 20px;
}
@media (max-width: 768px) {
    .col-sm-6{
        margin-bottom: 15px;
    }
}