* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #525659;
}

.viewer {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
}

.message {
  color: #e8e8e8;
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 15px;
}

#pdfCanvas {
  display: block;
  max-width: 100%;
  height: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  background: #fff;
}

#pdfCanvas[hidden] {
  display: none !important;
}