desktop_task_schedule/code/web/task_schedule/src/style.css

html {
    background-image: url("./assets/img/bg/bg_01.jpg");
    background-attachment: fixed;
    background-size: contain;
    /* background-position: center; */
    /* background-repeat: no-repeat; */
}

body {
    width: 100vw;
    height: 100vh;
    padding: 0px;
    margin: 0px;
    overflow: hidden;
}