*{
    padding: 0;
    margin: 0;
 }
 .deviceWin{
    background-image: url(./landing_page.jpg);
    display: block;
    width: 100%;
            height: auto; 
            background-repeat: no-repeat;
            background-attachment: fixed;
            background-size: 100% 100%;
            z-index: 100000;
            position: absolute; 
            top: 0;
            right: 0;
            left: 0;
            bottom: 0;
 }
 .fd {width: 100%;float: left; position: relative; }
 .join_us{
    width: 25%;
    display: block;
    -webkit-box-pack: center;
    justify-content: center;
    position: fixed;
    bottom: 0;
    right: 0;
    -webkit-box-align: center;
    align-items: center;
    left: 0;
    top: 42%;
    margin: auto;
 }
/* .devicePhn{
display: none;
background-image: url(./landing_page_phn.jpg);

} */

 /* @media only screen and (min-width: 350px) and (max-width:730px) { */
@media only screen and (min-width: 201px) and (max-width: 767px) {

    .deviceWin{
        display: none;
    background-image: url(./landing_page.jpg);

    }
    .devicePhn{
        background-image: url(./landing_page_phn.jpg);
        display: block;
    }
 }