* image de tri des cols : on n'utilise plus fontawesome mais des icones

svg, personnalisables
* On passe le fichier de css en scss (transparent)

svg/sort_asc.svg

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="sort_asc" width="93.335" height="54.545" data-name="Layer 1" version="1.1" viewBox="0 0 93.335 54.545" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+ <metadata>
+  <rdf:RDF>
+   <cc:Work rdf:about="">
+    <dc:format>image/svg+xml</dc:format>
+    <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
+    <dc:title>sort</dc:title>
+   </cc:Work>
+  </rdf:RDF>
+ </metadata>
+ <title>sort</title>
+ <path id="sort_asc" d="m7.8426 54.545a7.84 7.84 0 0 1-5.55-13.38l38.83-38.87a7.81 7.81 0 0 1 11.06 0l38.86 38.87a7.84 7.84 0 0 1-5.55 13.38z"/>
+</svg>

svg/sort_desc.svg

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="sort_desc" width="93.335" height="54.545" data-name="Layer 1" version="1.1" viewBox="0 0 93.335 54.545" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+ <metadata>
+  <rdf:RDF>
+   <cc:Work rdf:about="">
+    <dc:format>image/svg+xml</dc:format>
+    <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
+    <dc:title>sort</dc:title>
+   </cc:Work>
+  </rdf:RDF>
+ </metadata>
+ <title>sort</title>
+ <path id="sort_dsc" d="m85.493 4.2077e-7a7.84 7.84 0 0 1 5.55 13.38l-38.83 38.87a7.81 7.81 0 0 1-11.06 0l-38.86-38.87a7.84 7.84 0 0 1 5.55-13.38z"/>
+</svg>