big.css

html {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'avenir next', avenir, helvetica, 'helvetica neue', ubuntu, roboto, noto, 'segoe ui', arial, sans-serif;
  background: #FFEBCA;
  color: #333745;
  margin: 0;
  padding: 5;
  font-weight: bold;
}

h1,
h2,
h3,
p {
  margin: 0;
}

em,
a {
  font-style: normal;
  color: #3E6FB2;
}

a {
  background: #333745;
  color: #FFAD29;
  text-decoration: none;
}

strong {
  color: #FF2151;
}

img {
  width: 100%;
}

div.slide-container {
  background-size: contain;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  padding: 5px;
}

div.slide {
  box-sizing: border-box;
  cursor: pointer;
  cursor: hand;
  padding: 4%;
}

div.imageText {
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

/* normally not good, but ok in context of full screen directional navigation */
:focus {
  outline: 0;
}

body.talk-mode {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

body.print-mode {
  background: #fff;
  color: #000;
  font-weight: normal;
  padding: 30px 20px;
}

body.print-mode div.sub-container {
  padding: 10px 20px;
  display: flex;
  flex-flow: row wrap;
}

ul.notes-list {
  display: inline-block;
  float: left;
  vertical-align: top;
}

body.print-mode div.slide-container {
  border: 1px solid #000;
}

body.jump-mode {
  padding: 10px;
}

body.jump-mode div.sub-container {
  display: inline-block;
  vertical-align: top;
  padding: 2px;
}

body.jump-mode div.slide-container {
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
}

body.jump-mode div.slide-container:hover {
  border: 1px solid rgba(255, 255, 255, 0.8);
}