html,
body {
  margin: 0;
  padding: 0;
}

body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: radial-gradient(#efefef, #cccccc);
}

* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

#art {
    display: table;
    border-spacing: 1px;
   	background-color: black;
   	border: 5px solid black;
}
  
.row {
	display: table-row;
}
	
.pixel {
	display: table-cell;
    background-color: white;
    width: 40px;
		height: 40px;
}
	
.pen {
	display: inline-block;
	width: 40px;
	height: 40px;
	border: 2px solid black;
}