.all {
    background-color: #181a31 !important;

    background-image:  url(https://tskh2.com/hinh/2026/03/21/2026032106291519BGS.jpg) !important;

}

.all1 {
    background-image:  url(https://tskh2.com/hinh/2026/03/21/202603210629041nt2j.jpg)  !important;
}