#wrapper {
    width: 1080px;
    margin: 0 auto;
    position: relative;
}

#my-canvas {
    position: absolute;
}

#my-canvas canvas {
    border: 1px solid black !important;
}
#wrapper.active #my-canvas canvas {
    border: 0 !important;
}

#wrapper img {
    opacity: 0;
    border: 1px solid black;
    position: absolute;
    width: 100%;
    z-index: -1;
}

#wrapper.active img {
    z-index: 10;
    opacity: 1;
    animation: fadeIn .5s;
    -webkit-animation: fadeIn .5s;
    -moz-animation: fadeIn .5s;
    -o-animation: fadeIn .5s;
    -ms-animation: fadeIn .5s;
}

#puzzleHiddenContent {
    opacity: 0;
}
#puzzleHiddenContent.active {
    opacity: 1;
    animation: fadeIn .5s;
    -webkit-animation: fadeIn .5s;
    -moz-animation: fadeIn .5s;
    -o-animation: fadeIn .5s;
    -ms-animation: fadeIn .5s;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@-moz-keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@-webkit-keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@-o-keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@-ms-keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}