/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

/* Fullscreen background image */
.hero {
  background: url("images/header.png") no-repeat center center;
  background-size: cover;
  height: 100%;
  width: 100%;
  position: relative;
}

/* Watermark */
.watermark {
  position: absolute;
  bottom: 30px;
  left: 30px;
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
}