sass-showcase.css

html, body {
  width: 100%;
  height: 100%;
}

.greenButton {
  background-color: #00ff80;
  color: white;
}

.greenButton:hover {
  background-color: #e6e6e6;
  color: #00ff80;
}

.greenButton .icon {
  width: 16px;
  height: 16px;
  background-image: url(images/icon.png);
}