.header-bar {
  margin: 0;
  background-color: cornflowerblue;
  height: 5%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
}

.pdf-container {
  background-color: gainsboro;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 95%
}
canvas{
  width: 100%;
  height: 100%;
}