grapesjs_codeapps/docs/.vuepress/components/demos/DemoCanvasOnly.css

Free and Open Source Web Builder Framework/SC Modification

/* Let's highlight canvas boundaries */
#gjs {
  border: 3px solid #444;
}

/* Reset some default styling */
.gjs-cv-canvas {
  top: 0;
  width: 100%;
  height: 100%;
}