@media only screen and (max-width: 479px) {
    #boxFeedback {
        margin: 0;
    }
    #boxFeedback #buttons {
     margin: auto;
     width: 100px;   
    }
    #boxFeedback #buttons p.btnRight, 
    #boxFeedback #buttons p.btnLeft {
    float: none;
    margin: auto;
    padding: 0;
    margin-bottom: 10px;
    
    
    }
    
}