Try this one (untested):
$element->setDecorators( array( 'Errors', 'ViewHelper', array( array( 'wrapperField' => 'HtmlTag' ), array( 'tag' => 'div', 'class' => 'input' ) ), array( 'Label', array( 'placement' => 'prepend' ) ), array( array( 'wrapperAll' => 'HtmlTag' ), array( 'tag' => 'div', 'class' => 'clearfix' ) ), ) );
edit: The label was wrong; adjusted.
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