You can add Icons to your slide with the following markdown:
<!-- .slide: bg="white"-->
## Icons
---
<!-- .slide: bg="white"-->
### Basic Syntax
<!-- .element: color="coral"-->
Short Syntax
<!-- .element: color="coral"-->
HTML Syntax
<i color="coral" class="fas fa-envelope fa-4x"/>
ShortCode Syntax
:fas_envelope:
---
# Sizing
<i class="fas fa-camera fa-xs"></i>
<i class="fas fa-camera fa-sm"></i>
<i class="fas fa-camera fa-lg"></i>
<i class="fas fa-camera fa-2x"></i>
<i class="fas fa-camera fa-3x"></i>
<i class="fas fa-camera fa-5x"></i>
<i class="fas fa-camera fa-7x"></i>
---
# Rotating Icons
<i class="fas fa-snowboarding"></i>
<i class="fas fa-snowboarding fa-rotate-90"></i>
<i class="fas fa-snowboarding fa-rotate-180"></i>
<i class="fas fa-snowboarding fa-rotate-270"></i>
<i class="fas fa-snowboarding fa-flip-horizontal"></i>
<i class="fas fa-snowboarding fa-flip-vertical"></i>
<i class="fas fa-snowboarding fa-flip-both"></i>
---
# Animating Icons
<i class="fas fa-spinner fa-spin fa-3x"></i>
<i class="fas fa-circle-notch fa-spin fa-3x"></i>
<i class="fas fa-sync fa-spin fa-3x"></i>
<i class="fas fa-cog fa-spin fa-3x"></i>
<i class="fas fa-spinner fa-pulse fa-3x"></i>
<i class="fas fa-stroopwafel fa-spin fa-3x"></i>
---
#### Bordered + Pulled Icons
<i class="fas fa-quote-left fa-2x fa-pull-left"></i>
Gatsby believed in the green light, the orgastic future that year by year recedes before us.
It eluded us then, but that’s no matter — tomorrow we will run faster, stretch our arms further...
And one fine morning — So we beat on, boats against the current, borne back ceaselessly into the past.<!-- .element: style="font-size: 24px" align="justify" -->
<br>
<i class="fas fa-arrow-right fa-2x fa-pull-right fa-border"></i>
Gatsby believed in the green light, the orgastic future that year by year recedes before us.
It eluded us then, but that’s no matter — tomorrow we will run faster, stretch our arms further...
And one fine morning — So we beat on.<!-- .element: style="font-size: 46px" align="justify" -->
## Icons
---
### Basic Syntax
Short Syntax
HTML Syntax
---
# Sizing
---
# Rotating Icons
---
# Animating Icons
---
#### Bordered + Pulled Icons
Gatsby believed in the green light, the orgastic future that year by year recedes before us.
It eluded us then, but that’s no matter — tomorrow we will run faster, stretch our arms further...
And one fine morning — So we beat on, boats against the current, borne back ceaselessly into the past.
Gatsby believed in the green light, the orgastic future that year by year recedes before us. It eluded us then, but that’s no matter — tomorrow we will run faster, stretch our arms further... And one fine morning — So we beat on.
Gatsby believed in the green light, the orgastic future that year by year recedes before us. It eluded us then, but that’s no matter — tomorrow we will run faster, stretch our arms further... And one fine morning — So we beat on.
Tip
More documentation for Font Awesome here
Tip
Overview of all icons here