Answers for "flex center of page"

move text to center of page flexbox

// Assuming a horizontally centered row of items for the parent but it doesn't have to be
.parent {
  align-items: center;
  display: flex;
  justify-content: center;
}

.child {
  display: flex;
  align-items: center;
}

center div css flex

section {
  width: 200px;
  border: 1px solid #2d2d2d;
  display: flex;
  justify-content: center;
}