@media (min-width: 520px) {
  ul.column {  grid-template-columns: 1fr 1fr }
}
.search{
   border: 1px solid #ccc;
   margin: 20px 0 20px 0;
   padding: 10px;
}
ul.column{
  list-style-type : none;
  display: grid;
  grid-gap: 8px;
  margin: 0;
  padding: 0;
}
.block{
  background-color: #98FB98;
  padding: 20px;
}
.block:hover{
  background-color: #BA55D3;
  padding: 20px;
}
#the-canvas {
  border: 1px solid black;
  direction: ltr;
}
.btn-search{
  margin-top: 10px;
}
.pdfheader{
  margin: 20px 0 20px 0;
}