Changing The Font size and type in the slider (Homepage)

Hi, I hope this helps!

/* Change Slider Titles (2em) font-size, (Garamond) family, (red) color */
.carousel-caption h1 {
font-family:    Garamond;
font-size:      2em;
color:            red;
}
.carousel-caption p {
font-family:    Garamond;
font-size:      2em;
color:            blue;
}
.carousel-caption .btn {
font-family:    Garamond;
font-size:      2em;
color:            yellow;
}

here is the source: https://www.themesandco.com/snippet/change-fontsizecolor-slider-titles/

Excellent! it helped.