* {
  margin: 0;
  padding: 0;
}

.top-bar {
  background: #333;
  color: #fff;
  padding: 1rem;
}

/* .page-title{
  margin-bottom: 1rem;
} */

.btn {
  background: blue;
  color: #fff;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 0.7rem 2rem;
}

.btn:hover {
  opacity: 0.9;
}

.page-info {
  margin-left: 1rem;
}

#pdf-render {
  display:block;
  margin:auto;
}

#page-select {
  margin: 1rem 0 0 1rem;
}

#section-select {
  margin: 1rem 0 0 1rem;
}

.error {
  background: orangered;
  color: #fff;
  padding: 1rem;
}

#loading{
  height:971px;
  display: flex;
  align-items: center;
}

.loading {
    display:block;
    margin:auto;
    text-align: center;
}

/* @media print
{
    #pdf-render
    {
        display: inline;
    }
    *
    {
        display: none;
    }
} */