--- id: 60a3e3396c7b40068ad69989 title: Step 31 challengeType: 0 dashedName: step-31 --- # --description-- Change the `background-color` of `.three` to `#b20403`. # --hints-- You should set the `background-color` property to `#b20403`. ```js const hasBackground = new __helpers.CSSHelp(document).getCSSRules().some(x => x.style['background-color'] === 'rgb(178, 4, 3)'); assert(hasBackground); ``` Your `.three` element should have a `background-color` value of `#b20403`. ```js const threeBackground = new __helpers.CSSHelp(document).getStyle('.three')?.getPropertyValue('background-color'); assert(threeBackground === 'rgb(178, 4, 3)'); ``` # --seed-- ## --seed-contents-- ```css .canvas { width: 500px; height: 600px; background-color: #4d0f00; overflow: hidden; } .frame { border: 50px solid black; width: 500px; padding: 50px; margin: 20px auto; } .one { width: 425px; height: 150px; background-color: #efb762; margin: 20px auto; } .two { width: 475px; height: 200px; background-color: #8f0401; margin: auto; } .three { width: 91%; height: 28%; --fcc-editable-region-- --fcc-editable-region-- } ``` ```html