.center-block {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.pinned-tr {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 999; /* Ensures it stays on top of other content */
}

.flex-container {
  display: flex;
  flex-wrap: wrap; /* Allows stacking vertically when space runs out */
  gap: 20px;
  width: 100vw;
  height: 100vh;
  justify-content: center;
  align-items: center;
}