From: Antonio Ospite <ao2@ao2.it>
Date: Fri, 30 Jun 2017 10:41:31 +0000 (+0200)
Subject: index.html: fix a couple of validation warnings
X-Git-Url: https://git.ao2.it/experiments/scss-responsive-toggle-menu.git/commitdiff_plain/1ab5593bd44ed22726a7d7ded57182a77e74ad0a?ds=sidebyside;hp=1ab5593bd44ed22726a7d7ded57182a77e74ad0a

index.html: fix a couple of validation warnings

Fix warnings from the http://validator.w3.org/nu validator:

  - The banner role is unnecessary for element header.
  - The navigation role is unnecessary for element nav.
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