--- id: 5d822fd413a79914d39e98ef title: Step 39 challengeType: 0 dashedName: step-39 --- # --description-- In `:root`, crea una nuova variabile chiamata `--window-color1` con il valore `black`. Questo sarĂ  il colore secondario per gli edifici viola. # --hints-- Dovresti creare una nuova variabile in `:root` chiamata `--window-color1`. ```js assert(new __helpers.CSSHelp(document).isPropertyUsed('--window-color1')); ``` Dovresti dare alla variabile `--window-color1` il valore `black`. ```js assert.equal(new __helpers.CSSHelp(document).getStyle(':root')?.getPropertyValue('--window-color1').trim(), 'black'); ``` # --seed-- ## --seed-contents-- ```html City Skyline
``` ```css --fcc-editable-region-- :root { --building-color1: #aa80ff; --building-color2: #66cc99; --building-color3: #cc6699; --building-color4: #538cc6; } --fcc-editable-region-- * { border: 1px solid black; box-sizing: border-box; } body { height: 100vh; margin: 0; overflow: hidden; } .background-buildings, .foreground-buildings { width: 100%; height: 100%; display: flex; align-items: flex-end; justify-content: space-evenly; position: absolute; top: 0; } /* BACKGROUND BUILDINGS - "bb" stands for "background building" */ .bb1 { width: 10%; height: 70%; display: flex; flex-direction: column; align-items: center; } .bb1a { width: 70%; height: 10%; background-color: var(--building-color1); } .bb1b { width: 80%; height: 10%; background-color: var(--building-color1); } .bb1c { width: 90%; height: 10%; background-color: var(--building-color1); } .bb1d { width: 100%; height: 70%; background-color: var(--building-color1); } .bb2 { width: 10%; height: 50%; background-color: var(--building-color2); } .bb3 { width: 10%; height: 55%; background-color: var(--building-color3); } .bb4 { width: 11%; height: 58%; background-color: var(--building-color4); } /* FOREGROUND BUILDINGS - "fb" stands for "foreground building" */ .fb1 { width: 10%; height: 60%; background-color: var(--building-color4); } .fb2 { width: 10%; height: 40%; background-color: var(--building-color3); } .fb3 { width: 10%; height: 35%; background-color: var(--building-color1); } .fb4 { width: 8%; height: 45%; background-color: var(--building-color1); position: relative; left: 10%; } .fb5 { width: 10%; height: 33%; background-color: var(--building-color2); position: relative; right: 10%; } .fb6 { width: 9%; height: 38%; background-color: var(--building-color3); } ```