--- id: 60a3e3396c7b40068ad6997d title: Step 20 challengeType: 0 dashedName: step-20 --- # --description-- Use margins to position the `.one` element on the canvas. Add the shorthand `margin` property with a vertical margin of `20px` and a horizontal margin of `auto`. # --hints-- You should set the `margin` property to `20px auto`. ```js const marginFilter = new __helpers.CSSHelp(document).getCSSRules().filter(x => x.style.margin === '20px auto'); assert(marginFilter.length === 2); ``` Your `.one` element should have a `margin` value of `20px auto`. ```js const oneMargin = new __helpers.CSSHelp(document).getStyle('.one')?.getPropertyValue('margin'); assert(oneMargin === '20px auto'); ``` # --seed-- ## --seed-contents-- ```css .canvas { width: 500px; height: 600px; background-color: #4d0f00; } .frame { border: 50px solid black; width: 500px; padding: 50px; margin: 20px auto; } .one { width: 425px; height: 150px; background-color: #efb762; --fcc-editable-region-- --fcc-editable-region-- } ``` ```html