#app {
    width: 100vw;
    height: 100vh;
}

#toggle-navbar-button {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1;
}

#toggle-gamepad-button {
    position: fixed;
    bottom: 0;
    right: 0;
    z-index: 2;
}

#gamepad-container {
    position: fixed;
    bottom: 0;
    z-index: 1;
    opacity: 0.5;
}
#gamepad-left-button {
    position: fixed;
    left: 5%;
    bottom: 20%;
}
#gamepad-up-button {
    position: fixed;
    left: 20%;
    bottom: 30%;
}
#gamepad-down-button {
    position: fixed;
    left: 20%;
    bottom: 10%;
}
#gamepad-right-button {
    position: fixed;
    left: 35%;
    bottom: 20%;
}
#gamepad-select-button {
    position: fixed;
    left: 25%;
    bottom: 1%;
}
#gamepad-start-button {
    position: fixed;
    right: 25%;
    bottom: 1%;
}
#gamepad-b-button {
    position: fixed;
    right: 25%;
    bottom: 20%;
}
#gamepad-a-button {
    position: fixed;
    right: 5%;
    bottom: 20%;
}

#fb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);   
    z-index: -1;
        
    max-width:   100vw;
    max-height:  100vh;
    width:  calc(100vh * 256 / 240);
    height: calc(100vw * 240 / 256);
}