body {
  font-family: sans-serif;
  background: #F5F7F7;
  margin: 0;
  padding: 0;
}
header {
  background: #E0F2F1;
  padding: 2rem;
  text-align: center;
  color: #228F86;
}
#app-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5rem;
  padding: 4rem;
}
.app-card {
  background: white;
  border-radius: 8px;
  padding: 1rem;
  width: 300px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.app-card h2 {
  margin-top: 0;
}
.buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
}
.use-btn {
  background: #228F86;
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 4px;
}
.info-btn {
  background: #FEBD01;
  color: black;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 4px;
}
.app-card.teal {
  background-color: #E0F2F1;
  border-left: 6px solid #228F86;
}
.app-card.gold {
  background-color: #FEBD01;
  border-left: 6px solid #F29F05;
}
footer {
  background: #F5F7F7;
  text-align: center;
  padding: 1rem;
  color: #228F86;
}