body {
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(to bottom, #000046, #1cb5e0);
  color: greenyellow;
  padding: 20px;
  margin: 0;
}

h1 {
  font-size: 34px;
  text-align: center;
  margin-bottom: 20px;
}

p {
  font-size: 15px;
  text-align: center;
  margin-bottom: 20px;
}

footer {
  margin-top: 100px;
  text-align: center;
}

#super7-columns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.column {
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  padding: 10px;
  width: 120px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.column h3 {
  text-align: center;
  margin: 0 0 10px;
  color: yellow;
}

ul.numbers {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul.numbers li {
  text-align: center;
  margin: 5px 0;
  padding: 10px;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s;
}

ul.numbers li:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.selected-number {
  background-color: rgba(255, 255, 0, 0.8);
  color: black;
}

.buttons-container {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.buttons {
  list-style: none;
  display: flex;
  gap: 10px;
}

.button button {
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  background-color: yellow;
  color: black;
  cursor: pointer;
  transition: background-color 0.3s;
}

.button button:hover {
  background-color: green;
  color: white;
}

.saved-games {
  list-style: none;
  padding: 0;
}

.saved-games li {
  padding: 10px;
  background-color: rgba(255, 255, 255, 0.2);
  margin-bottom: 5px;
  border-radius: 5px;
  text-align: center;
}

.lista {
  line-height: 1.3;
}

/* Media Queries for Responsive Design */
@media (max-width: 768px) {
  .buttons-container {
    flex-direction: column;
    align-items: center;
  }

  .buttons {
    flex-direction: column;
    gap: 10px;
  }

  .button button {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 22px;
  }

  p {
    font-size: 12px;
  }

  .column {
    width: 80px;
    padding: 6px;
  }

  ul.numbers li {
    padding: 6px;
    font-size: 12px;
  }

  .button button {
    padding: 6px 10px;
    font-size: 12px;
  }
}