/* CANVAS */
#canvas1 {
    border: 3px solid black;
    background: url('./assets/defender/space.jpg');
    /* background: url('./assets/all/bg1.png'); */
    /* background: url('./assets/all/bg1.png'); */

    position: absolute;
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    background-repeat: no-repeat;
    background-size: cover;
}

/* HIDDEN CLASS */
.hidden {display: none;}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}