fix: key elements being too close to surrounding text

Author: Miodec

frontend/src/styles/core.scss

@@ -199,6 +199,7 @@ key {
   display: inline-block;
   font-size: 0.7rem;
   line-height: 0.7rem;
+  margin: 0 0.5em;
 }
 
 .pageLoading {

frontend/src/styles/footer.scss

@@ -10,9 +10,6 @@ footer {
     transition: 0.125s;
     margin-bottom: 2em;
     line-height: 2;
-    key {
-      margin: 0 0.25rem;
-    }
   }
 
   #commandLineMobileButton {