.aut-bg-img {
    background-image: url("/images/bg.jpg");
    background-size: cover;
    background-attachment: local;
    background-position: center;
    height: -webkit-fill-available;
}

.tieude {
    font-size: 60px;
    font-weight: bold;
    color: red;
}

.tieude2 {
    font-size: 28px;
    font-weight: bold;
    color: red;
}

.btnlogin {
    font-size: 24px;
    font-weight: bold;
}

.myshadow {
    text-shadow: 1px 1px 50px yellow, 0 0 5px yellow, 0 0 5px white;
}

.login {
    align-items: center;
}

@media (min-width: 1281px) {
    /* CSS */
    .login {
        align-items: center;
    }
}


/* 
  ##Device = Laptops, Desktops
  ##Screen = B/w 1025px to 1280px
*/

@media (min-width: 1025px) and (max-width: 1280px) {

    /* CSS */
    .login {
        align-items: center;
    }
}

/* 
  ##Device = Tablets, Ipads (portrait)
  ##Screen = B/w 768px to 1024px
*/

@media (min-width: 768px) and (max-width: 1024px) {

    /* CSS */
    .login {
        align-items: flex-start;
    }
    .aut-bg-img { height: 300px; }
}

/* 
  ##Device = Tablets, Ipads (landscape)
  ##Screen = B/w 768px to 1024px
*/

@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    /* CSS */

    .login { align-items: flex-start; }

    .tieude2 { font-size: 18px; }

    .tieude { font-size: 49px; }
    .aut-bg-img {
        height: 300px;
    }
}

/* 
  ##Device = Low Resolution Tablets, Mobiles (Landscape)
  ##Screen = B/w 481px to 767px
*/

@media (min-width: 481px) and (max-width: 767px) {

    /* CSS */
    .login {
        align-items: flex-start;
    }
    .tieude2 {
        font-size: 18px;
    }
    .tieude {
        font-size: 49px;
    }
    .aut-bg-img {
        height: 300px;
    }
}

/* 
  ##Device = Most of the Smartphones Mobiles (Portrait)
  ##Screen = B/w 320px to 479px
*/

@media (min-width: 320px) and (max-width: 480px) {

    /* CSS */
    .login {
        align-items: flex-start;
    }
    .tieude2 {
        font-size: 18px;
    }
    .tieude {
        font-size: 49px;
    }
    .aut-bg-img {
        height: 300px;
    }
}

@media (max-width: 320px) {

    /* CSS */
    .login {
        align-items: flex-start;
    }
    .tieude2 {
        font-size: 18px;
    }
    .tieude {
        font-size: 49px;
    }
    .aut-bg-img {
        height: 300px;
    }
}