a {
  color: #3498db;
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: #2980b9;
  text-decoration: underline;
}
a:active {
  color: #1c5980;
}

.navigation {
  background-color: #f8f9fa;
  padding: 1rem 0;
}
.navigation ul {
  display: flex;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  margin: 0 1rem;
  padding: 0.5rem 0.75rem;
  font-family: 'Raleway', sans-serif;
  color: #2c3e50;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}
.nav-link:hover {
  background-color: #ecf0f1;
  color: #3498db;
}
.nav-link:active {
  background-color: #bdc3c7;
}

.btn {
  display: inline-block;
  font-family: 'Raleway', sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  background-color: #e74c3c;
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border: 2px solid #e74c3c;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s;
}

.btn:hover {
  background-color: #ffffff;
  color: #e74c3c;
}
.btn:active {
  background-color: #c0392b;
  border-color: #c0392b;
}

.activities-panel {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 0;
}
.activity {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  background-color: #95a5a6;
  color: #ffffff;
  font-family: 'Raleway', sans-serif;
  text-decoration: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

.activity:hover {
  background-color: #7f8c8d;
  transform: translateY(-3px);
}
.activity:active {
  background-color: #2c3e50;
  transform: translateY(0);
}