migration issue

does anyone know how this should be 

<?php e($html->image('index_01.jpg'));?></td>

and 

   <?php e($html->css('shark')); ?>

shark being my stylesheet.  when I removed the above css line, my background came up.  So I do not know if I no longer need these lines or if the language has changed. They were calling for undefined functions in the error messages.

Thanks for any help

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