@media screen and (max-width: 768px) {
    .item-text{
        font-size: 16px;
        line-height: 1.5;
        margin: 20px 0;
    }
}
@media screen and (min-width: 768px) and (max-width: 1200px) {
    .item-text{
        font-size: 18px;
        line-height: 1.5;
        margin: 20px 0;
    }
}
@media screen and (min-width: 1200px) {

    .item-text{
        font-size: 18px;
        line-height: 1.5;
        margin: 20px 0;
    }
}