style.css

* {
  font-family: "Nunito", sans-serif;
  font-size: 18px;
  font-weight: 400;
  margin: 0;
}

body,
html,
input[type="text"] {
  background-color: midnightblue;
  color: yellow;
  padding: 12px;
}

button {
  border: none;
  border-radius: 8px;
  padding: 6px 12px;

  background-color: yellow;
  color: midnightblue;
  cursor: pointer;
}

h1 {
  font-size: 24px;
}

.gameBoard {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 6px;
  gap: 6px;
}

.gameBoardLetter {
  background-color: yellow;
  color: midnightblue;
  text-transform: uppercase;
  font-size: 24px;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

input[type="text"].gameBoardLetter {
  background-color: orange;
  caret-color: midnightblue;
}

pre {
  font-family: "Inconsolata", monospace;
}

.fadeIn {
  animation: fadeIn 0.5s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}