like (#19)

Co-authored-by: Matis MAZINGUE <Matis.MAZINGUE@etu.uca.fr>
Co-authored-by: clfreville2 <clement.freville2@etu.uca.fr>
Reviewed-on: https://codefirst.iut.uca.fr/git/clement.freville2/herbarium/pulls/19
Co-authored-by: Matis MAZINGUE <matis.mazingue@etu.uca.fr>
Co-committed-by: Matis MAZINGUE <matis.mazingue@etu.uca.fr>

public/css/app.css

@@ -0,0 +1,12 @@
+.no-style {
+    background: none;
+    border: none;
+    padding: 0;
+    font: inherit;
+    color: inherit;
+    cursor: pointer;
+}
+
+.no-style:focus {
+    outline: none;
+}