h2, .h2 {
    font-size:1.8rem;
}
@media(max-width:720px){
    .panel-body{
        padding: 0 20px;     
    }
    h2, .h2 {
        font-size:1.6rem;
    }
}
@media screen and (max-width:500px){
    .panel-body{
        padding: 0 10px;     
    }
}

@media(max-width:380px){
    .panel-body{
        padding: 0;     
    }
    h2, .h2 {
        font-size:1.4rem;
    }
}