/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
    html {
        font-size: 9px;
    }
    .message-box {
        width: 36rem;
    }
    .msg {
        font-size: 3.5rem;
    }
}

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {

}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {
    
}

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {

}