refactor: center badge

Author: reez

docs/.vuepress/public/css/variables.css

@@ -88,8 +88,13 @@ iframe.playground {
   overflow-wrap: anywhere;
 }
 
+.tagline h3 {
+  display: inline-flex;
+  align-items: center;
+}
+
 .foundation-member-badge {
-  display: inline-block;
+  display: inline-flex;
   margin-left: 0.5rem;
   padding: 0.1rem 0.6rem;
   font-size: 0.7rem;
@@ -100,4 +105,5 @@ iframe.playground {
   background-color: var(--docs-primary-dark);
   color: var(--docs-dark);
   vertical-align: middle;
+  line-height: 1;
 }