.pdf-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh; /* 100% of the viewport height */
  border: none;
}
.sidebar {
    width: sticky; 
    background-color: #fff; 
    color: #333;
    top: 0; 
    left: 0; 
    bottom: 0; 
    z-index: 1; 
}