.div_block_fb_text
{
    color: #474747;
    font-weight:normal;
    text-align: justify;
    
    font-style: oblique;

    font-size: calc(14px + (14 - 13) * ((100vw - 300px) / (2560 - 300)));
    /*line-height: calc(1.3em + (1.5 - 1.3) * ((100vw - 300px)/(2560 - 300)));
    /*font-size:20px;*/

    font-family:'Open Sans', sans-serif;
    margin-top:0.6%;
    line-height: 1.7;
}