/* Hide "Open" on the Places context menu */
#placesContext_open {
  display: none;
}

#context-back image,
#context-forward image,
#context-reload image,
#context-stop image,
/*#context-bookmarkpage image*/
#context-bookmarkpage,
#context-sendpagetodevice, 
#context-sep-sendpagetodevice
{
  display: none !important;
}
    
/* to hide the entire context-nav menu items use the above with this code */
/* #context-navigation, #context-sep-navigation { display:none!important; } */
/* and get rid of the following code */

#context-back:after,
#context-forward:after,
#context-reload:after,
#context-stop:after,
#context-bookmarkpage:after
{
  content: attr(aria-label) !important;
  padding-left: 15px;
}

#context-navigation
{
  -moz-box-orient: vertical !important;
}

#context-navigation > .menuitem-iconic
{
  -moz-box-pack: start !important;
}