.flex-container {
  display: flex;
  justify-content: center; /* Horizontally center */
  align-items: center; /* Vertically center */
  min-height: 100vh; /* Example: full viewport height */
  border: 1px solid #ccc; /* For visualization */
}

.centered-item {
  width: 200px;
  height: 100px;
  background-color: lightblue;
  display: flex; /* If content inside also needs centering */
  justify-content: center;
  align-items: center;
  font-family: sans-serif;
}