body {
    /*background-color: #cccccc;*/
	background-color: rgba(0,0,0,0);  /* background transparent */
    margin: 0;
}
#page {
    /*background-color: #cccccc;*/
}

.noselect {
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none;   /* Chrome/Safari/Opera */
  -khtml-user-select: none;    /* Konqueror */
  -moz-user-select: none;      /* Firefox */
  -ms-user-select: none;       /* IE/Edge */
  user-select: none;           /* non-prefixed version, currently
                                  not supported by any browser */
}

canvas {
    margin:0px;
    padding:0px;
    position:absolute;
}

#g_circle_fond_canvas { z-index: -1; margin:0px; padding:0px; top:0px; background-color:rgba(255,255,0,0.0); }
#g_circle_canvas0 { z-index: 0; margin:0px; padding:0px; top:0px; /*background-color:rgba(255,0,0,0.4);*/ }
#g_circle_canvas { z-index: 0; margin:0px; padding:0px; top:0px; /*background-color:rgba(255,0,0,0.4);*/ }
#g_circle_canvas2 { z-index: 0; margin:0px; padding:0px; top:0px; /*background-color:rgba(255,0,0,0.4);*/ }