[SITE] eliminate font-awesome

assets/css/main.css

@@ -137,6 +137,9 @@ footer {
     footer a > svg image {
       height: 1.4rem;
       width: 1.4rem; }
+  footer img {
+    height: 1.4rem;
+    padding-right: 0.2em; }
 
 /* make footer sticky */
 html {

assets/scss/main.scss

@@ -197,6 +197,10 @@ footer {
       width: $footer_logoHeight;
     }
   }
+  img {
+    height: $footer_logoHeight;
+    padding-right: 0.2em;
+  }
 
 }