Merge pull request jdorn#757 from jneiluj/jdorn#670-Fix-headerTemplate-Spectre-theme

Fix headerTemplate for Spectre theme

Author: schmunk42

src/themes/spectre.js

@@ -318,9 +318,8 @@ export class spectreTheme extends AbstractTheme {
   getTab (span, tabId) {
     const el = document.createElement('a')
     el.classList.add('btn', 'btn-secondary', 'btn-block')
-    el.id = tabId
-    el.innerHTML = span.innerHTML
-
+    el.setAttribute('href', `#${tabId}`)
+    el.appendChild(span)
     return el
   }
 
@@ -332,8 +331,9 @@ export class spectreTheme extends AbstractTheme {
 
     /* Spectre needs an a tag inside the tab item, not a span */
     const a = document.createElement('a')
-    a.href = '#'
-    a.innerHTML = span.innerHTML
+    a.setAttribute('href', `#${tabId}`)
+    a.appendChild(span)
+
     el.appendChild(a)
     return el
   }