body {
  background-image: url("https://gyazo.com/e68d325cc9d8eadc86bcbcca4f14e6d6.png")
}

.red-border {
  border: 2px solid red;
  background: white
}

.blue-border {
  border: 2px solid blue;
  background: white
}

.green-border {
  border: 2px solid green;
  background: green