Magento2 How to debug blank white screen and css,js page load design issue.

index.php

ini_set('error_reporting', E_ERROR);
register_shutdown_function("fatal_handler");
function fatal_handler() {
    $error = error_get_last();
    echo("
");
    print_r($error);
    echo("
");
}

If you are facing problem of css and js page load design after installation in magento2
please follow the below step-:
open the terminal and navigate to magento web root

cd /var/www/html/magento2 

Step 1.

php bin/magento setup:static-content:deploy

Step 2.

php bin/magento indexer:reindex

Step 3.
make sure apache “rewrite_module” is enable and then restart the server
Step 4.

chown -R www-data:www-data /var/www/html/magento2 

Step 5.

chmod -R 777 /var/www/html/magento2 

Step 6.
delete cache folder under var/cache
The above step working. I hope this will work for you also.
Let me know if any issue. :)