RewriteEngine On 

Options +FollowSymlinks
ErrorDocument 404 https://www.instituteoffineart.com/index.html

RewriteCond %{SERVER_PORT} 80
RewriteCond %{HTTP_HOST} ^(www\.)?instituteoffineart\.com
RewriteRule ^(.*)$ https://www.instituteoffineart.com/$1 [R,L]
RewriteCond %{HTTP_HOST} ^instituteoffineart\.com$ [OR]
RewriteCond %{HTTP_HOST} ^www\.instituteoffineart\.com$

<IfModule mod_headers.c>
  <FilesMatch "\.(ttf|TTF|php|ttc|otf|eot|woff|woff2|font.css|css|js|html)$">
    Header set Access-Control-Allow-Origin "*"
  </FilesMatch>
</IfModule>