style.css

body {
  background-color: skyblue;
  background-image: linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px),
                    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
                    linear-gradient(0deg, transparent 10px, rgba(255, 255, 255, 0.3) 10px, rgba(255, 255, 255, 0.3) 20px, transparent 20px, transparent 30px, rgba(255, 255, 255, 0.3) 30px, rgba(255, 255, 255, 0.3) 40px, transparent 40px),
                    linear-gradient(0deg, transparent 10px, rgba(255, 255, 255, 0.2) 10px, rgba(255, 255, 255, 0.2) 20px, transparent 20px, transparent 30px, rgba(255, 255, 255, 0.2) 30px, rgba(255, 255, 255, 0.2) 40px, transparent 40px);
  background-size: 100px 100px, 100px 100px, 50px 50px, 50px 50px, 100% 40px, 100% 20px;
  background-position: -2px -2px, -2px -2px, -1px -1px, -1px -1px, 0px 0px, 0px 0px;
}

#content {
  margin: 0 auto;
  max-width: 800px;
  text-align: center;
}

#goals {
  padding: 30px;
}

#gif {
  border: 5px solid white;
  border-radius: 10px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
}