@media (max-width:480px){
    .header-nk
    {
        font-size: 40px !important;
        
    }
    
    .header-sub
    {
        font-size: 30px !important;
    }
    .header-other
    {
        font-size: 40px !important;
    }
    .header-pricing
    {
        font-size: 60px !important;
    }
    
}