body {
    font-family: "Open sans", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: #000;
}
h4 {
    font-family: 'Fira Sans', sans-serif;
    font-size: 23px;
    margin-bottom: 24px;
    font-weight: 600;
    color: #003366;
}
h3 {
    font-family: 'Fira Sans', sans-serif;
    font-size: 22px;
    margin-bottom: 24px;
    font-weight: 500;
    color: #fff;
}
@media screen and (min-width: 0px) and (max-width: 700px) {
      #div-mobile {    display: block;  }
      #div-desktop {    display: none;  }
 }

@media screen and (min-width: 701px) and (max-width: 4000px) {
      #div-mobile {    display: none;  }
      #div-desktop {    display: block;  }
}