This tutorial will help you to style the radio button list on form. Using template, separator, style and label options, We can give proper style to radio button.
<div class="row"> <?php echo $form->labelEx($model,'isactive'); ?> <?php echo $form->radioButtonList($model,'isactive', array('1'=>'Active','0'=>'Inactive'), array( 'template'=>'{input}{label}', 'separator'=>'', 'labelOptions'=>array( 'style'=> ' padding-left:13px; width: 60px; float: left; '), 'style'=>'float:left;', ) ); ?> <div style="clear: both;"></div> <?php echo $form->error($model,'isactive'); ?> </div>