body {
  background-color: rgb(10, 20, 15);
  color: greenyellow;
  font-family: sans-serif;
  /* text-shadow: 0px 0px 8px greenyellow; */
}

h1,
h2,
h3 {
  font-family: "Orbitron";
  font-optical-sizing: auto;
  font-weight: 450;
  border-bottom: 2px solid greenyellow;
  background-image: linear-gradient(#0000, #040);
}

h1 {
  font-size: 64px;
  font-weight: 800;
}

h2 {
  font-size: 30px;
  width: 50%;
}

h3 {
  font-size: 24px;
  text-align: center;
  margin: 0px 8px 16px 8px;
  height: 64px;
}

a {
  color: cyan;
  text-shadow: 0px 0px 8px cyan;
}

div.flex-container {
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
}

div.preview {
  width: 256px;
  padding: 16px;
  margin: 16px;
  border: 2px solid greenyellow;
  border-radius: 16px;
  background-color: transparent;
  transition: all 250ms;
  display: block;
}

div.preview:hover {
  box-shadow: 0px 0px 16px #0b0 inset;
}

img.screenshot {
  display: block;
  margin: auto;
  width: 128px;
  border-radius: 32px;
  transition: all 250ms;
}

img.screenshot:hover {
  border-radius: 0;
}