html, body {
            width: 100%;
            height: 100%;
            padding: 0;
            margin: 0;
            overflow: hidden;
        }

        #renderCanvas {
            width: 100%;
            height: 100%;
        }
        #start_message {
            position: absolute;
            width:100%;
            text-align: center;
            left: 0px;
            top: 0px;
            font-size: 100px;
            color: green;
        }
.center
{
    position: absolute;
    margin-left:auto;
    margin-right:auto;
    width:70%;
    background-color:#b0e0e6;
}
.menu{
    position: absolute;
    left: 0px;
    top: 0px;
    font-size: 20px;
    color: #00FF15;
    background-color: #253B3E;
    border-radius: 5px;
    margin: 10px;
    padding: 10px;
    opacity: 0.9;
}

#hud{
    position: absolute;
    left: 0px;
    top: 0px;
    font-size: 20px;
    color: green;
    visibility:hidden;

}
#bugs{
    position: fixed;
    bottom: 0;
}
#fps{
    position: fixed;
    bottom: 0;
}



#crosshairs{
  position: fixed;
  top: 50%;
  left: 50%;
  margin-top: -8px;
  margin-left: -8px;
  visibility:hidden;
}
 
.load_screen{
    position: fixed;
    top: 0px;
    left: 0px;
    height: 100%;
    width: 100%;
}
              
#MSG{
    position: absolute;
    left: 0px;
    top: 0px;
    width : 100%;
    height : 100%;

    text-align:center;

    font-size: 20px;
    color: green;

}

#screen_layer{
            position: fixed;

            width: 100%;
            height: 100%;
            padding: 0;
            margin: 0;
            overflow: hidden;
            visibility:hidden;
}