body {
  margin: 0;
  padding: 0;
  height: 100vh;
}

#ComposeTargetContainer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}


#ComposeTarget {
  width: 100%;
  height: 100%;
}