@media(min-width: 991px) {
    .menu-button{
        display: none;
    }
    .subscribe-input{
        width: 70%;

    }
    .btn-subscribe{
        width: 30%;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 32px;
    }
}

@media(max-width: 390px){
    .input-group{
        display: flex;
        flex-direction: column;
    }
    .subcribe-input-parent{
        width: 100%;
        height: 100px;
        display: flex;
        flex-direction: column;
    }
    .subscribe-input{
        outline: none;
        width: 100%;
        padding: 10px 20px; 
        border-radius: 5px 5px 5px 5px; 
        margin-bottom: 5px;
    }
    .btn-subscribe {
        padding: 10px 20px;
        width: 100%;
        color: white;
        border-radius: 5px 5px 5px 5px;
    }

}