@charset "UTF-8";@import"https://interactive.zeit.de/pembed-visual-article/cssOnlyHeaderNoImage.css";:root{--2025-heizungsrechner-2025-duv-color-text-primary: #252525;--2025-heizungsrechner-2025-duv-color-text-primary--rgb: 37, 37, 37;--2025-heizungsrechner-2025-duv-color-text-secondary: #444444;--2025-heizungsrechner-2025-duv-color-text-tertiary: #69696c;--2025-heizungsrechner-2025-duv-color-text-tertiary--rgb: 105, 105, 108;--2025-heizungsrechner-2025-duv-color-border-primary: #cccccf;--2025-heizungsrechner-2025-duv-color-border-secondary: #e4e4e4;--2025-heizungsrechner-2025-duv-color-background-primary: #ffffff;--2025-heizungsrechner-2025-duv-color-background-secondary--rgb: 238, 238, 238;--2025-heizungsrechner-2025-duv-color-background-popup--rgb: 255, 255, 255;--2025-heizungsrechner-2025-duv-color-highlight--rgb: 255, 226, 70;--2025-heizungsrechner-2025-duv-color-accent: #b91109;--2025-heizungsrechner-2025-duv-color-shades-30: 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#363636;--2025-heizungsrechner-2025-duv-color-border-secondary: #2e2e2e;--2025-heizungsrechner-2025-duv-color-background-primary: #121212;--2025-heizungsrechner-2025-duv-color-background-secondary--rgb: 35, 35, 35;--2025-heizungsrechner-2025-duv-color-background-popup--rgb: 69, 69, 69;--2025-heizungsrechner-2025-duv-color-highlight--rgb: 255, 214, 10;--2025-heizungsrechner-2025-duv-color-accent: #eb362e;--2025-heizungsrechner-2025-duv-color-shades-30: #c7c8cb;--2025-heizungsrechner-2025-duv-color-shades-60: #838388;--2025-heizungsrechner-2025-duv-color-shades-75: #5b5b5f;--2025-heizungsrechner-2025-duv-color-shades-90: #313033;--2025-heizungsrechner-2025-duv-color-shades-100: #000000;}:root{--2025-heizungsrechner-2025-duv-size-font-12: .75rem;--2025-heizungsrechner-2025-duv-size-font-14: .875rem;--2025-heizungsrechner-2025-duv-size-font-16: 1rem;--2025-heizungsrechner-2025-duv-size-font-18: 1.125rem;--2025-heizungsrechner-2025-duv-size-letterspacing-m: 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