contact messages: center trigger icon and label (inline-flex)

frontend/src/assets/pagerite.css

@@ -909,6 +909,9 @@ article {
    the color stays bright). */
 .contact-trigger {
   position: relative;
+  display: inline-flex;
+  align-items: center;
+  gap: 0.35em;
   margin: 0.3em 0.1em;
   padding: 0.35em 1.1em;
   /* Same font and weight as the navbar, size/leading as the article text. */

pagerite/views.py

@@ -994,7 +994,6 @@ def _contact_tag(args: str, _env: dict) -> str:
     return str(
         E.button(
             E.span("✉️", class_="icon"),
-            " ",
             args.strip() or "Contact us",
             type="button",
             class_="contact-trigger",