use pdf icons for pdfs

resources/index.md

@@ -48,25 +48,25 @@ distributed with each Dynare release and also available here:
 <i class="fas fa-file"></i> [HTML Manual](http://www.dynare.org/manual/)
 </p>
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i> [PDF Manual](http://www.dynare.org/manual.pdf)
+<i class="fas fa-file-pdf"></i> [PDF Manual](http://www.dynare.org/manual.pdf)
 </p>
 
 # <i class="fas fa-book"></i> Dynare Team Presentations
 
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i> [Sébastien Villemot's Perfect Foresight slides](https://git.dynare.org/sebastien/perfect-foresight-slides/raw/master/deterministic.pdf?inline=false)
+<i class="fas fa-file-pdf"></i> [Sébastien Villemot's Perfect Foresight slides](https://git.dynare.org/sebastien/perfect-foresight-slides/raw/master/deterministic.pdf?inline=false)
 </p>
 
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i> [Sébastien Villemot's Intro to DSGE modeling (in French)](https://git.dynare.org/sebastien/dsge-intro/raw/master/dsge-intro.pdf?inline=false)
+<i class="fas fa-file-pdf"></i> [Sébastien Villemot's Intro to DSGE modeling (in French)](https://git.dynare.org/sebastien/dsge-intro/raw/master/dsge-intro.pdf?inline=false)
 </p>
 
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i> [Houtan Bastani and Sébastien Villemot's Preprocessor Tutorial](../assets/team_presentations/preprocessor.pdf)
+<i class="fas fa-file-pdf"></i> [Houtan Bastani and Sébastien Villemot's Preprocessor Tutorial](../assets/team_presentations/preprocessor.pdf)
 </p>
 
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i> [Houtan Bastani and Sébastien Villemot's Macro Processor Tutorial](../assets/team_presentations/macroprocessor.pdf)
+<i class="fas fa-file-pdf"></i> [Houtan Bastani and Sébastien Villemot's Macro Processor Tutorial](../assets/team_presentations/macroprocessor.pdf)
 </p>
 
 
@@ -130,7 +130,7 @@ A set of routines that solve models with occasionally binding constraints using
 # <i class="fas fa-book"></i> Tutorial
 Learn how to perform a stochastic simulation of a small model with Dynare in ten minutes!
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i> [Tutorial](https://www.dynare.org/assets/tutorial/guide.pdf)
+<i class="fas fa-file-pdf"></i> [Tutorial](https://www.dynare.org/assets/tutorial/guide.pdf)
 </p>
 <p class="indent" markdown="1">
 <i class="fas fa-file-download"></i> [example1.mod](https://www.dynare.org/assets/tutorial/example1.mod)
@@ -158,33 +158,33 @@ available as a standalone executable program (shipped with the Dynare
 installer) and is also used by Dynare to compute third order approximations.
 
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i>
+<i class="fas fa-file-pdf"></i>
 [Solving Stochastic Dynamic Equilibrium Models: A K-order Perturbation Approach](https://www.dynare.org/assets/dynare++/k_order.pdf),
 a paper by Michel Juillard and Ondra Kamenik that describes the overall algorithm
 </p>
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i>
+<i class="fas fa-file-pdf"></i>
 the
 [Dynare++ tutorial](https://www.dynare.org/assets/dynare++/dynare++-tutorial.pdf), that
 describes the usage of the standalone executable
 </p>
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i>
+<i class="fas fa-file-pdf"></i>
 a description of the algorithm used for [Ramsey optimal policy in Dynare++](https://www.dynare.org/assets/dynare++/dynare++-ramsey.pdf)
 </p>
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i>
+<i class="fas fa-file-pdf"></i>
 a description of the algorithm used for [solving the specialized Sylvester equation](https://www.dynare.org/assets/dynare++/sylvester.pdf)
 </p>
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i>
+<i class="fas fa-file-pdf"></i>
 the internal documentation of the [numerical integration module](https://www.dynare.org/assets/dynare++/integ.pdf)
 </p>
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i>
+<i class="fas fa-file-pdf"></i>
 the internal documentation of the [tensor library](https://www.dynare.org/assets/dynare++/tl.pdf)
 </p>
 <p class="indent" markdown="1">
-<i class="fas fa-file-download"></i>
+<i class="fas fa-file-pdf"></i>
 the internal documentation of the [k-order library](https://www.dynare.org/assets/dynare++/kord.pdf)
 </p>