@media screen and (min-width: 320px) and (max-width: 575px) {
    /* login page */
    .login-img {
        width: auto;
        height: 400px;
    }
    .login-box {
        margin: 60px auto;
        width:auto;
    }
    .left_side_block {
        margin: 0px 0px;
    }
    .card-height{
        height: auto !important;
    }
}
@media screen and (min-width: 576px) and (max-width: 767px) {
    /* login page */
    .login-img {
        width: auto;
        height: 450px;
    }
    .login-box {
        margin: 60px auto;
    }
    .left_side_block {
        margin: 0px 0px;
    }
    .card-height{
        height: auto !important;
    }
}
@media screen and (min-width: 768px) and (max-width: 1023px) {
    /* login page */
    .login-img {
        width: auto;
        height: 500px;
    }
    .login-box {
        margin: 60px auto;
    }
    .left_side_block {
        margin: 0px 0px;
    }
    .card-height{
        height: auto !important;
    }
}
@media screen and (min-width: 1024px) and (max-width: 1199px) {
    /* login page */
    .login-img {
        width: auto;
    }
}
@media screen and (min-width: 1200px) and (max-width: 1440px) {
    /* login page */
    .login-img {
        width: auto;
    }
}
@media screen and (min-width: 1441px) and (max-width: 1600px) {
}
@media screen and (min-width: 1601px) and (max-width: 1919px) {
}
@media screen and (min-width: 1920px) and (max-width: 2300px) {
}
@media screen and (min-width: 2301px) and (max-width: 2560px) {
    /* login page */
    .login-img {
        width: 800px;
        height: 700px;
    }
    .login-box {
        width: 600px;
    }
    .logo-img {
        width: 200px;
        height: 40px;
    }
}