/* Notify when available (moved from body <style> for W3C) */
[onclick^=notify_when_available]{
  background:#eee!important;
  color:#888!important;
  border:1px solid #ccc;
}
[onclick^=notify_when_available] i:before{
  content:"\f0e0"!important;
}
.not_available_product img{
  -webkit-filter:grayscale(100%);
  filter:grayscale(100%);
}