styles.css

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --nice-blue: #40BAD5;
  --dark-blue: #035AA6;
  --yellow: #FFE6E6;
  --golden-yellow: #FAD0C4;
  --rbb-red: #e31818;
  --plain-white: #ffffff;
}

body {
  background-color: var(--rbb-red);
  text-align: center;
  color: var(--plain-white);
}

.game-container {
    inline-size: 80%;
    margin: 5rem auto;
}

h1 {
  margin: 15px 0 20px;
}

.btn-container {
  display: flex;
    margin-top: 20px;
  justify-content: center;
  align-items: center;
}

.btn {
  cursor: pointer;
  width: 100px;
  margin: 10px;
  color: black;
  background-color: var(--yellow);
  padding: 5px 10px;
  border-color: var(--golden-yellow);
  border-width: 3px;
}

.btn:hover {
  background-image: linear-gradient(#FFE6E6, #FAD0C4);
}

.rules-container {
  padding: 10px 0;
  margin: auto;
  border-radius: 15px;
  border: 5px solid var(--yellow);
  background-color: var(--white);
  color: var(--very-dark-blue);
}

.rules-container ul {
  list-style-type: none;
}

.rules-container p {
  margin: 10px 0;
}

@media (min-width: 760px) {
  .rules-container {
    width: 60%;
  }
}

.score-container {
  display: flex;
  justify-content: space-evenly;
  margin: 30px 0;
  font-size: 1.2rem;
}

.score {
  font-weight: 500;
}

.results-container {
  font-size: 1.3rem;
  margin: 15px 0;
}

#winner-msg {
  margin-top: 25px;
}

#reset-game-btn {
  display: none;
  margin: 20px auto;
}