body, html {
  margin: 0;
  padding: 0;
}

h2 {
  font-size: 24px;
  color: #343a40;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.leaderboard-container {
  text-align: center;
  width: 100%;
  max-width: 600px;
  margin: 20px auto;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  border-radius: 8px;
  overflow: hidden;
  background-color: #ffffff;
}

#leaderboard {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

#leaderboard li {
  background-color: #f0f0f0;
  margin: 6px 0;
  padding: 15px 10px;
  border-radius: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

#leaderboard li:hover {
  background-color: #e2e2e2;
  cursor: pointer;
}

#leaderboard li:nth-child(odd) {
  background-color: #e9ecef;
}

#leaderboard li:nth-child(odd):hover {
  background-color: #dcdcdc;
}

.more-btn {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s;
}

.more-btn:hover {
  background-color: #0056b3;
}

@media (max-width: 600px) {
  .leaderboard-container {
      width: 90%;
  }
}

form {
  display: block;
  text-align: center;
  gap: 10px;
  margin-top: 20px;
}

input[type="text"], input[type="number"], input[type="date"] {
  padding: 10px;
  border-radius: 4px;
  border: 1px solid #ccc;
}

button[type="submit"] {
  padding: 10px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
  background-color: #0056b3;
}