style.css

body {
    background-color: lightgray;
}

#canvas-con {
    float: left;
    margin-right: 5px;

    width: 500px;
    height: 630px;
}

#canvas-con > .tool-bar {
    width: 100%;
    height: 130px;
}

#canvas-con > canvas {
    width: 500px;
    height: 500px;

    border: 1px solid #aaa;
    background-color: #535353;
}

#obj-manager-con {
    float: left;
    margin-right: 5px;

    width: 300px;
    height: 630px;
    padding: 5px;

    overflow: auto;

    color: lightgray;
    background-color: #1B6D88;
}

#obj-manager-con > .object-detail {

}

#obj-manager-con > .object-list {
    padding: 5px;
}

#obj-manager-con > .object-list tr.active {
    background-color: #153e53;
}

#debug-con {
    float: left;
    margin-right: 5px;

    width: 300px;
    height: 630px;

    padding: 5px;

    overflow: auto;

    color: #cfcfcf;
    background-color: #071f27;
}