--- id: 5d822fd413a79914d39e9901 title: Part 57 challengeType: 0 dashedName: part-57 --- # --description-- Remove the `margin` and `border-top` properties and values from `.bb2a` to turn it into a triangle for the top of the building. # --hints-- You should remove the `margin` from `.bb2a`. ```js assert.isEmpty(new __helpers.CSSHelp(document).getStyle(".bb2a")?.margin); ``` You should remove the `border-top` from `.bb2a`. ```js assert.isEmpty(new __helpers.CSSHelp(document).getStyle(".bb2a")?.borderTop); ``` # --seed-- ## --seed-contents-- ```html freeCodeCamp Skyline Project
``` ```css :root { --building-color1: #aa80ff; --building-color2: #66cc99; --building-color3: #cc6699; --building-color4: #538cc6; --window-color1: black; --window-color2: #8cd9b3; } * { 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%; } --fcc-editable-region-- .bb2a { margin: auto; border-top: 1vw solid #000; border-bottom: 1vw solid #000; border-left: 5vw solid transparent; border-right: 5vw solid transparent; } --fcc-editable-region-- .bb2b { width: 100%; height: 100%; background: repeating-linear-gradient( var(--building-color2), var(--building-color2) 6%, var(--window-color2) 6%, var(--window-color2) 9% ); } .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); } ```