*{
    /* border: 2px solid red; */
    font-family: sans-serif;
}



.btn1{
    top: 65%;
}


.btn1 img{
    width: 90%;
    max-width: 600px;
}







 /* Large devices (desktops, 992px and up) */
@media (min-width: 992px) { 
    #bg{
        height: 100vh;
    }

 }