--- id: 5d822fd413a79914d39e98f8 title: Step 48 challengeType: 0 dashedName: step-48 --- # --description-- Nest two new `div` elements within `.bb2`, give them the classes of `bb2a` and `bb2b`, in that order. These will be two sections for this building. # --hints-- You should add two `div` elements to `.bb2`. ```js assert.equal(document.querySelector('div.bb2')?.children?.length, 2); ``` You should give the first `div` a class of `bb2a`. ```js assert.exists(document.querySelector('div.bb2a')); ``` You should give the second `div` a class of `bb2b`. ```js assert.exists(document.querySelector('div.bb2b')); ``` # --seed-- ## --seed-contents-- ```html City Skyline
--fcc-editable-region--
--fcc-editable-region--
``` ```css :root { --building-color1: #aa80ff; --building-color2: #66cc99; --building-color3: #cc6699; --building-color4: #538cc6; --window-color1: black; } * { 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%; } .bb1b { width: 80%; } .bb1c { width: 90%; } .bb1d { width: 100%; height: 70%; background: linear-gradient( var(--building-color1) 50%, var(--window-color1) ); } .bb1-window { height: 10%; background: linear-gradient( var(--building-color1), var(--window-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); } ```