format boxes

presentation/presentation.md

@@ -59,14 +59,8 @@ func main() {
 ---
 # Boxes
 
-<box>Build environment</box>
-
-$\rightarrow$
-
-<box>Compile</box>
-
-$\rightarrow$
-
+<box>Build environment</box> $\rightarrow$
+<box>Compile</box> $\rightarrow$
 <box>Deploy</box>
 
 ---