--- id: 5d822fd413a79914d39e98f3 title: Step 43 challengeType: 0 dashedName: step-43 --- # --description-- You don't need the `height` or `background-color` properties in `.bb1a`, `.bb1b` or `.bb1c` anymore, so go ahead and remove them. # --hints-- You should remove the `background-color` from `.bb1a`. ```js assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1a')?.backgroundColor); ``` You should remove the `height` property from `.bb1b`. ```js assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1b')?.height); ``` You should remove the `background-color` property from `.bb1b`. ```js assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1b')?.backgroundColor); ``` You should remove the `height` property from `.bb1c`. ```js assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1c')?.height); ``` You should remove the `background-color` property from `.bb1c`. ```js assert.isEmpty(new __helpers.CSSHelp(document).getStyle('.bb1c')?.backgroundColor); ``` # --seed-- ## --seed-contents-- ```html City Skyline
``` ```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; } --fcc-editable-region-- .bb1a { width: 70%; 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); } --fcc-editable-region-- .bb1d { width: 100%; height: 70%; background-color: var(--building-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); } ```