body {
  font-family: sans-serif;
  text-align: center;
  margin: 20px;
}

#controls {
  margin: 10px 0;
}

#pdf-container {
  display: flex;
  justify-content: center;
}

#viewer {
  position: relative;
  display: inline-block;
}

canvas {
  display: none;
}

.textLayer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  user-select: text;
  color: black;
  z-index: 2;
}

.textLayer span {
  position: absolute;
  white-space: pre;
  transform-origin: 0% 0%;
  line-height: 1;
  transform: scale(1) !important;
  color: black !important;
  background: none !important;
  mix-blend-mode: normal !important;
}

#search-input {
  width: 150px;
}

#install-btn {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 16px;
}