wkhtml page break styles

<style type="text/css" media="screen,print">
       /* Page Breaks */

/***Always insert a page break before the element***/
       .pb_before {
           page-break-before: always !important;
       }

/***Always insert a page break after the element***/
       .pb_after {
           page-break-after: always !important;
       }

/***Avoid page break before the element (if possible)***/
       .pb_before_avoid {
           page-break-before: avoid !important;
       }

/***Avoid page break after the element (if possible)***/
       .pb_after_avoid {
           page-break-after: avoid !important;
       }

/* Avoid page break inside the element (if possible) */
       .pbi_avoid {
           page-break-inside: avoid !important;
       }

   </style>