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

html {
    /* background-color: #8796a6; */
    background-image: url("./assets/img/bg/bg_01.jpg");
    background-attachment: fixed;
    background-size: contain;
    /* background-position: center; */
    /* background-repeat: no-repeat; */
}

body {
    /* background-color: #8796a6; */
    width: 100vw;
    height: 100vh;
    /* border: 1px solid red; */
    /* overflow: hidden; */
    padding: 0px;
    margin: 0px;
}