#psd{
margin-right: 20px;
}
button{
    border-style: solid ;
border-color: green;
    background-color: white;
    border-radius: 5px;
}
@media screen and (min-width: 900px) {
    img{
        width: 300px;
        border-radius: 5px;
    }
    #img {
        float: left;
   margin: 120px;
    }

    #desc {
        float: right;
        margin: 120px;
    }


}

@media screen and (max-width: 900px) {
    img{
        margin-top: 20px;
        width: 250px;
        height: 220px;
        border-radius: 5px;
    }
    #img {
       direction: inherit;
    }

    #desc {

    }

}