.reveal .slide-logo {
  height: auto !important;
  width: 20% !important;
  max-width: unset !important;
  max-height: unset !important;
}

.reveal {
  font-family: "TeX Gyre Pagella", "Palatino Linotype", "Book Antiqua", Palatino, "Computer Modern", serif;
}

.reveal .cover-slide {
  background: linear-gradient(135deg, #f0f0f0, #d9d9d9); 
  padding: 5em;
  text-align: center;
}

.reveal .cover-slide h1 {
  font-size: 3.5em;
  font-weight: bold;
  margin-bottom: 0.2em;
}

.reveal .cover-slide h2 {
  font-size: 2em;
  font-weight: 300;
  margin-bottom: 0.8em;
}

.reveal .cover-slide .author,
.reveal .cover-slide .date {
  font-size: 1.5em;
  font-weight: 400;
  margin-top: 0.5em;
}

.reveal .cover-slide .logo {
  margin-top: 2em;
  height: 80px;
  width: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}