.slide1 {position:absolute;}
.slide2 {position:absolute;}

@media (max-width:767px) {
.slide1 {width:300px; left:50%; margin-left:-150px; margin-top:155px;}
.slide2 {width:300px;left:50%; margin-left:-150px; margin-top:-55px;}
.slide1 .testo {display: none;}
.slide1 .btn {display: none;}
 }

@media(min-width:768px) and (max-width:991px) {


 }

@media(min-width:992px) {

.slide1 {width:605px; left:50%; margin-left:-500px; margin-top:200px;}
.slide2 {width:840px;left:50%; margin-left:60px; margin-top:70px;}
 }

@media(min-width:1200px) {

.slide1 {width:650px; left:50%; margin-left:-650px; margin-top:200px;}
.slide2 {width:840px;left:50%; margin-left:0px; margin-top:70px;}

 }