* {
    margin: 0px;
    padding: 0px;
}

body {
    font-family: "Courier New";
    width:1080px;
}

.px {
  width: 64px;
  height: 64px;
  display: inline-block;
  background-color: #111;
  padding: 0px;
  margin: 1px;
}