added space between letters and icon

asset/scss/modules/_content.scss

@@ -17,8 +17,8 @@ header nav {
 }
 
 
+/* https://fontawesome.com/v5.0/icons */
 a[href$=".pdf"]:after {
-      /* https://fontawesome.com/v5.0/icons */
       -moz-osx-font-smoothing: grayscale;
       -webkit-font-smoothing: antialiased;
       display: inline-block;
@@ -28,6 +28,7 @@ a[href$=".pdf"]:after {
       line-height: 1;
       font-family: 'Font Awesome 5 Free';
       font-weight: 900;
+      margin-left: .5rem;
       content: "\f1c1";
 }