.callwidget {
 display: none;
}

@media screen and (max-width: 650px) {

 .callwidget {
 background: #00bb00;
 width: 100%;
 position:fixed;
 bottom:0;
 left:0;
 z-index: 100;
 display: flex;
 justify-content: center;
 align-items: center;
 text-decoration: none;
 font-size: 120%;
 font-family: 'Lato', Arial, sans-serif;
 height: 60px;
 color: #fff;
 text-align: center;
 font-weight: 600;   
}
}

 .callwidget2 {
 display: none;
}

@media (max-width: 767px) {
.hidden-xs {
    display: none!important;
}
}