Steps to resolve Safari Browser html page downloading issue
Some time we are facing very strange problem with the safari browser like when we are browsing the .html pages in Safari browser and its asking for downloading web pages on the local machine. To resolve safari browser downloading a webpage errors kindly add the add the following code in .htaccess file and save the file, make sure that you have taken a backup of a .htaccess file before making any changes to avoid any problem.
AddHandler application/x-httpd-php5 .htm .html .php5 .php4 .php .php3 .php2 .phtml
AddType application/x-httpd-php5 .htm .html .php5 .php4 .php .php3 .php2 .phtml
It will resolve your issue with the Safari browser for .html pages and if you are still facing an issue, than kindly contact your web hosting provider and consult issue with them.