@media screen and (min-width: 541px){
    .details{
        width: 70%;
        height: 100%;
        margin:0 auto;
        padding-top: 50px
    }
}
@media screen and (max-width: 540px){
    .details{
        width: 95%;
        height: 100%;
        padding-top: 50px;
        padding-left: 30px
    }
}