/* reduce gap between title rows */ 
.title-slide h1 {
  line-height: 0.1em;
}
 /* change subtitle colour */ 
.title-slide h2 {
  color: #a1d99b; 
  line-height: 3.0em;
}
 /* reduce gap between author rows*/ 
.title-slide h3 {
  line-height: 0.1em;
}
 /* hide the number from title slide */ 
.title-slide .remark-slide-number {
  display: none;
}