--- id: 60b69a66b6ddb80858c5158f title: Step 25 challengeType: 0 dashedName: step-25 --- # --description-- Using an `id` selector, give your `gray-instrument` element a `width` of `15%`, a `height` of `40%`, and a `background-color` of `rgb(167, 162, 117)`. # --hints-- You should have a `#gray-instrument` selector. ```js assert(new __helpers.CSSHelp(document).getStyle('#gray-instrument')); ``` Your `#gray-instrument` selector should have a `width` property set to `15%`. ```js assert(new __helpers.CSSHelp(document).getStyle('#gray-instrument')?.width === '15%'); ``` Your `#gray-instrument` selector should have a `height` property set to `40%`. ```js assert(new __helpers.CSSHelp(document).getStyle('#gray-instrument')?.height === '40%'); ``` Your `#gray-instrument` selector should have a `background-color` property set to `rgb(167, 162, 117)`. ```js assert(new __helpers.CSSHelp(document).getStyle('#gray-instrument')?.backgroundColor === 'rgb(167, 162, 117)'); ``` # --seed-- ## --seed-contents-- ```html