body {
  background-color: #0a0a0a;
  color: #dedede;
  margin: 0;
  padding: 20px;
  filter: url(#paper-texture);
}

#fragment {
  max-width: 800px;
  margin: 0 auto;
  margin-top: 100px;
  filter: url(#printed-text);
}

#file-name, #time, #index {
  font-family: serif;
  font-size: 1.5rem;
  margin: 0;
}

#text {
  font-family: sans-serif;
  font-size: 4rem;
  margin: 1.4rem 0; 
  text-wrap: pretty;
}

#progress-bars {
  display: flex;
  justify-content: space-between;
  margin: 2rem 0 4rem 0;
  width: 100%;
  cursor: pointer;
}

.progress-bar {
  flex: 1;
  height: 20px;
  background-color: #222;
  transition: background-color 0.1s ease;
  margin: 0 1.5px;
}

.progress-bar.seen {
  background-color: #666;
}