.hero-img{
    margin-bottom:45px;
}



@media (max-width:767px) {

    .ref-btn-logo{
         width:100px !important; 
         height:100px !important;

         margin-bottom: 30px;
    }   
   
}


@media (min-width:767px) {

    .ref-btn-logo{
        display: none;
    }   
   
}

@media (min-width:1970px) {

    .hero-img{
       margin-left:100px;
    }   
   
}