materio-base-legacy/sites/all/themes/gui/materiobasetheme/preprocess/block.pre.php

<?php 

// 

	$vars['attributes']['class']='block block-'. $vars['block']->module .' '. (isset($vars['skinr']) ? $vars['skinr'] : '');
	$vars['attributes']['id'] = 'block-'. $vars['block']->module .'-'. $vars['block']->delta;

	$vars['block']->subject = t($vars['block']->subject);