✦ Verified product
Stiir High Polyphenol Coffee - Beans & Ground
GBP 15.99
Stiir
Verified independent store
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Your coffee usage Cups per day 2 cups/day 250g ≈ 14 cups 500g ≈ 28 cups .stiir-order-guide { padding: 40px 0; } .guide-card { max-width: 520px; margin: 0 auto; background: #fff; bo
rder-radius: 20px; padding: 28px; border: 1px solid #eaeaea; } /* HEADLINE */ .guide-card h3 { font-size: 22px; margin-bottom: 20px; } /* SLIDER */ .selector label { font-size: 14px; color: #666; } .selector input { width: 100%; margin: 12px 0; } .cups-display { font-size: 15px; margin-bottom: 20px; } /* RESULT */ .result { padding-top: 18px; border-top: 1px solid #eee; } .primary { font-size: 24px; font-weight: 600; margin-bottom: 6px; } .secondary { font-size: 14px; color: #777; } /* INFO */ .info { margin-top: 20px; display: flex; gap: 16px; font-size: 12px; color: #888; } document.addEventListener("DOMContentLoaded", function () { const range = document.getElementById("cupsRange"); const cupsValue = document.getElementById("cupsValue"); const primary = document.getElementById("primary"); const secondary = document.getElementById("secondary"); function calculate() { const cups = parseInt(range.value); cupsValue.innerText = cups; const gramsPerCup = 18; const weeklyGrams = cups * gramsPerCup * 7; let main = ""; let alt = ""; if (weeklyGrams