@media (min-width:360px) {
    .header-title {
        font-size: 13px !important;
        font-weight: bolder;
    }
    .csf-title{
        font-size: 10px !important;
        font-weight: bold;
    }
   .question-description b{
        font-size: 15px;
    }
    footer div p.power{
        display: none;
    }
}

@media (min-width:768px) {
    .header-title {
        font-size: 26px !important;
        font-weight: bolder;
    }
    .csf-title{
        font-size: 19px !important;
        font-weight: bold;
    }
}
@media (min-width:640px) {
    .header-title {
        font-size: 23px !important;
        font-weight: bolder;
    }
    .csf-title{
        font-size: 17px !important;
        font-weight: bold;
    }
}

@media (min-width:1024px) {
    .header-title {
        font-size: 35px !important;
        font-weight: bolder;
    }
    .csf-title{
        font-size: 28px !important;
        font-weight: bold;
    }
    .question-description b{
        font-size: 25px;
    }
    footer div p.power{
        display: block;
    }
}
h4.unit-title{
    font-size: 12px !important;
}