body {
    background: #000 none
}

#game {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%
}

#canvas {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%
}

#toc {
    position: absolute;
    margin: 0;
    width: 600px;
    height: 85%;
    background-color: #fff;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%)
}

#header {
    height: 40px;
    background-color: #f5f5f5;
    border-bottom: 1px solid #dbdbdb
}

#closeIcon {
    font-size: 200%;
    margin: 0;
    color: #424242;
    position: absolute;
    top: 5px;
    right: 5px;
    cursor: pointer
}

#content {
    padding-left: 20px;
    padding-right: 20px;
    font-family: Arial, Helvetica, sans-serif;
    height: calc(100% - 40px);
    overflow-y: scroll;
    overflow-x: hidden
}