--- id: 587d7791367417b2b2512ab4 title: 使用 width 属性调整元素的宽度 challengeType: 0 videoUrl: 'https://scrimba.com/c/cvVLPtN' forumTopicId: 301039 dashedName: adjust-the-width-of-an-element-using-the-width-property --- # --description-- 你可以使用 CSS 里的 `width` 属性来指定元素的宽度。属性值可以是相对单位(比如 em)、绝对单位(比如 px)、或者其父元素宽度的百分比。下面这段代码可以把图片的宽度设置为 220px: ```css img { width: 220px; } ``` # --instructions-- 请使用 `fullCard` class 来选择卡片元素,为它添加 `width` 属性,并将它的宽度设置为 245px。 # --hints-- 应使用 `fullCard` class 选择器将卡片的 `width` 属性值设置为 `245px`。 ```js const fullCard = code.match(/\.fullCard\s*{[\s\S]+?[^}]}/g); assert( fullCard && /width\s*:\s*245px\s*(;|})/gi.test(fullCard[0]) && $('.fullCard').css('maxWidth') === 'none' ); ``` # --seed-- ## --seed-contents-- ```html
Google was founded by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University.
Google was founded by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University.