.productPopUp { display: block !important; }
.productPopUp input { display: none; }
.productPopUp input[name="popup"]:checked + div { display: none; }
.productPopUp div { display: block; position: fixed; overflow: hidden; background-color: white; border: 2px dotted green; bottom: 20px; width: 80%; margin: 0 10%; opacity: 1; }
.productPopUp p { margin: 0; line-height: 18px; font-size: 16px; text-align: center; }
.productPopUp h4 { margin: 0; font-size: 18px; text-align: center; color: green; }
.productPopUp label { position: absolute; top: 0; right: 0; }
.productPopUp h4::after { content: "Skorzystaj z wyjątkowej promocji na filtr sezonowy 250g!"}
.productPopUp label::after { content: "X"; }
.productPopUp p:nth-of-type(1)::after { content: "Im więcej zamawiasz, tym więcej oszczędzasz:"; }
.productPopUp p:nth-of-type(2) strong::after { content: "Od 16 do 32 opakowań -25%"; }
.productPopUp p:nth-of-type(3) strong::after { content: "Od 33 do 64 opakowań -30%"; }
.productPopUp p:nth-of-type(4) strong::after { content: "Od 65 do 98 opakowań -35%"; }
.productPopUp p:nth-of-type(5) strong::after { content: "Od 99 do 168 opakowań -40%"; }
.productPopUp p:nth-of-type(6)::before { content: "Nie przegap okazji! Skontaktuj się z Justyną ( "; }
.productPopUp p:nth-of-type(6) a::after { content: "j.sliwinska@hardbeans.com"; }
.productPopUp p:nth-of-type(6)::after { content: ", tel. 735907762 ) i złap swój rabat!"; }

@keyframes visibility {
  0% { visibility: hidden; opacity: 0; }
  80% { visibility: hidden; opacity: 0; }
  81% { visibility: visible; }
  100% { opacity: 1; }
}

.productPopUp { animation-name: visibility; animation-duration: 10s; }