#sec-title-slide {
  background: url("Spy_Vs_Spy_.webp") no-repeat center;
  height: 100%;
  /*text-shadow: 2px 2px white, -2px 2px white, 2px -2px white, -2px -2px white;*/
  text-shadow: 0 0 2px white, 1px 1px 2px white, -1px 1px 2px white, 1px -1px 2px white, -1px -1px 2px white;
}

#sec-title-slide.present {
  display: flex !important;
  flex-direction: column;
}

#sec-title-slide.present h1 {
  flex-grow: 1;
}

#sec-title-slide h1, #sec-title-slide h2 {
  /*text-shadow: 2px 2px white, -2px 2px white, 2px -2px white, -2px -2px white;*/
  text-shadow: 0 0 2px white, 1px 1px 2px white, -1px 1px 2px white, 1px -1px 2px white, -1px -1px 2px white;
}

.reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5, .reveal h5 {
  text-transform: none !important;
}

.reveal h2.author, .reveal h2.email, .reveal h2.date {
  font-size: 1.2em;
}

.reveal section img {
  border: none !important;
  box-shadow: none !important;
}