批改状态:合格
老师批语:完成的不错
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/*************** 头部样式 ***************/header {/*固定定位*/position: fixed;top: 0;/*固定定位元素必须设置宽度与高度*/width: 100%;height: 42px;background: #444444;color: white;/*设置最小尺寸*/min-width: 320px;max-width: 768px;/*转为Flex容器,设置元素排列*/display: flex;/*元素主轴分散,两端对齐*/justify-content: space-between;/*元素交叉轴居中对齐*/align-items: center;}/*第一张,最后一设置通用样式*/header > img:first-of-type,header > img:last-of-type {width: 26px;height: 26px;margin: 5px;}/*第一张用户头像应该是正圆*/header > img:first-of-type {border-radius: 50%; /* 13px */}/*设置中间LOGO样式*/header > img {width: 94px;}/*************** 轮播图设置 ***************/.banner {display: flex;height: 200px;}/*************** 导航区 ***************/nav {background-color: white;display: flex;/*主轴为垂直方向, 禁止换行*/flex-flow: column nowrap;}/*图片默认大小*/nav img {width: 45px;height: 49px;}/*每一行导航都应该是一个弹性容器以方便布局*/nav > ul {display: flex;/*每个菜单项水平且不换行*/flex-flow: row nowrap;}/*每一菜单项均分全部空间*/nav ul li {flex: 1;}/*图片与文本应该做为一个组件,统一设置*/nav ul li a {display: flex;/*图片, 链接文本垂直排列*/flex-flow: column wrap;/*交叉轴上居中显示*/align-items: center;/*外边距可以使菜单项之间不太拥挤*/margin: 10px;}/*菜单项文本与上面图标有一个间隙*/nav ul li a span {margin-top: 5px;}/*************** 主体内容区 ***************//******** 推荐课程区 *******/main {display: flex;flex-flow: column nowrap;}/*设置水平排列的推荐课程*/main > .recommend > section:first-of-type {display: flex;flex-flow: row nowrap;}/*每个课程图片平分全部空间*/main > .recommend > section:first-of-type > a {margin: 5px;flex: 1;}/*设置图片高度*/main > .recommend > section:first-of-type > a > img {height: 90px;}/*设置垂直排列的推荐课程*/main > .recommend > section:last-of-type {display: flex;flex-flow: column nowrap;}main > .recommend > section:last-of-type > div {background-color: #fff;margin: 5px;/*也转为弹性容器*/display: flex;flex-flow: row nowrap;}main > .recommend > section:last-of-type > div img {width: 350px;height: 90px;}main > .recommend > section:last-of-type > div > span {display: flex;/*文本垂直排列*/flex-flow: column nowrap;margin-top: 5px;padding-left: 10px;}main > .recommend > section:last-of-type > div > span i {font-style: normal;background-color: #333333;color: white;border-radius: 4px;padding: 0 5px;font-size: smaller;}/*最新更新*//*设置水平排列的推荐课程*//*设置垂直排列的推荐课程*/main > .update > section {/* border: 5px solid red; */display: flex;flex-flow: column nowrap;}main > .update > section > div {background-color: #fff;margin: 5px;/*也转为弹性容器*/display: flex;flex-flow: row nowrap;}main > .update > section > div img {width: 350px;height: 90px;}main > .update > section > div > span {display: flex;/*文本垂直排列*/flex-flow: column nowrap;margin-top: 5px;padding-left: 10px;}main > .update> section > div > span i {font-style: normal;background-color: #333333;color: white;border-radius: 4px;padding: 0 5px;font-size: smaller;}/* 最新文章 *//*设置垂直排列的推荐课程*/main > .wenzhang> section {/* border: 5px solid red; */display: flex;flex-flow: column nowrap;}main > .wenzhang > section > div {background-color: #fff;margin: 5px;/*也转为弹性容器*/display: flex;flex-flow: row nowrap;justify-content: space-between;}main > .wenzhang > section > div img {width: 300px;height: 80px;}main > .wenzhang > section > div > span {display: flex;/*文本垂直排列*/flex-flow: column nowrap;margin-top: 5px;padding-left: 10px;}main > .wenzhang> section > div > span i {font-style: normal;background-color: #333333;color: white;border-radius: 4px;padding: 0 5px;font-size: smaller;}/* blog *//*设置垂直排列的推荐课程*/main > .blog> section {/* border: 5px solid red; */display: flex;flex-flow: column nowrap;}main > .blog > section > div {height: 60px;background-color: #fff;margin: 5px;padding-left: 10px;/*也转为弹性容器*/display: flex;flex-flow: row nowrap;justify-content: space-between;align-items: center;}main > .blog > section > div > span {display: flex;/*文本垂直排列*/flex-flow: row nowrap;justify-content: space-between;margin-top: 5px;padding-left: 10px;}/* 最新问答 *//*设置垂直排列的推荐课程*/main > .ask > section {/* border: 5px solid red; */display: flex;flex-flow: column nowrap;}main > .ask > section > div {height: 60px;background-color: #fff;margin: 5px;padding: 10px;/*也转为弹性容器*/display: flex;flex-flow: row nowrap;justify-content: space-between;align-items: center;}main > .ask > section > div > span {display: flex;/*文本垂直排列*/flex-flow: row nowrap;justify-content: space-between;margin-top: 5px;padding-left: 10px;}/*底部*//*暂时将高度设置为2000px,让滚动条出来*/body {heigh: 2000px;}










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