/* @media (orientation: landscape) {
    #portraitDiv {
        display: none;
    }
}

@media (orientation: portrait) {

    #portraitDiv {
        display: block;
    }
} */

body,
html {
    /* height: 100%; */
    margin: 0;
    padding: 0;
    background-color: #000;
    display: block;
    overflow: hidden;
}

#bottom {
    background-image: url(assets/bg.jpg);
}

canvas {
    display: none;
    position: fixed;
    z-index: 0;
    top: 0;
    bottom: 0;
    /* left: 50%;*/
    /* width: 750px;height: 500px; */
    /* width: 980px;height: 620px; */
    /* margin: -250px auto auto -375px;*/
}

#fullscreenbtn {
    background: url('assets/fullScreen_icon.png') center no-repeat;
    z-index: 999;
    display: block;
    position: absolute;
    bottom: 0;
    width: 50px;
    height: 50px;
}

#portraitDiv {
    text-align: center;
    position: absolute;
    background-color: #000;
    z-index: 999;
    width: 100%;
    height: 100%;
}

#portraitDiv>h3 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    color: white;
}