前端 w3c简单布局

w3c网站

reset操作

body {
    background-color: #eee;
}
html, body, h1, h2, h3, h4, h5, h6, ul, p {
    margin: 0;
}

ul {
    padding: 0;
    list-style: none;
}

a {
    color: black;
    text-decoration: none;
}


input, img, button {
    vertical-align: top;
}

header头部

css

.header {
    width: 1210px;
    height: 100px;
    background-color: #fdfcf8;
    /*自动获取留白区域*/
    /*margin-left: auto;*/
    /*margin-right: auto;*/
    margin: 0 auto;
}
.header:after {
    content: '';
    display: block;
    clear: both;
}
#site-title a {
    display: block;
    width: 500px;
    height: 100px;
    background-color: red;
    float: left;
    /*背景图片的整体设置*/
    background: url("../img/bg.png") no-repeat 0 -150px;
}
#site-title a:hover {
    background-position-y: -250px;
}
.header-form {
    /*background-color: pink;*/
    float: right;
    /*父子级顶端产生距离,建议使用padding*/
    padding-top: 30px;
}
.header-form input {
    /*margin-right: 20px;*/
    width: 260px;
    height: 30px;
    border: 1px solid #ccc;
    font-size: 17px;
    vertical-align: top;
}
.header-search-btn {
    width: 33px;
    height: 33px;
    border: none;
    background-color: #AE4141;
    outline: none;
    color: white;
    margin-right: 30px;
    vertical-align: top;
    cursor: pointer;
}

html

<div class="header">
    <h1 id="site-title">
        <a href="" title="w3c在线教学"></a>
    </h1>
    <form class="header-form" method="get" action="https://www.baidu.com/s">
        <input type="text" name="wd">
        <button title="搜索" class="header-search-btn" type="submit">Go</button>
    </form>
</div>

css

.nav {
    width: 1210px;
    /*height: 48px;*/
    margin: 0 auto;
    background: url("../img/bg.png") no-repeat 0 0;
}
.nav:after {
    content: '';
    display: block;
    clear: both;
}

.nav-li {
    float: left;
}
.nav-a {
    display: block;
    height: 48px;
    background-image: url("../img/bg.png");
}
.nav-a:hover {
    /*y轴偏移是共性*/
    background-position-y: -48px;
}
.nav-a1 {
    width: 155px;
}
.nav-a2 {
    width: 157px;
    background-position-x: -155px;
}
.nav-a3 {
    width: 167px;
    background-position-x: calc(-155px - 157px);
}
.nav-a4 {
    width: 158px;
    background-position-x: calc(-155px - 157px - 167px);
}
.nav-a5 {
    width: 101px;
    background-position-x: calc(-155px - 157px - 167px - 158px);
}
.nav-a6 {
    width: 185px;
    background-position-x: calc(-155px - 157px - 167px - 158px - 101px);
}
.nav-a7 {
    width: 177px;
    background-position-x: calc(-155px - 157px - 167px - 158px - 101px - 185px);
}

html

<ul class="nav">
    <li class="nav-li">
        <a title="html/css教程" href="" class="nav-a nav-a1"></a>
    </li>
    <li class="nav-li">
        <a href="" class="nav-a nav-a2"></a>
    </li>
    <li class="nav-li">
        <a href="" class="nav-a nav-a3"></a>
    </li>
    <li class="nav-li">
        <a href="" class="nav-a nav-a4"></a>
    </li>
    <li class="nav-li">
        <a href="" class="nav-a nav-a5"></a>
    </li>
    <li class="nav-li">
        <a href="" class="nav-a nav-a6"></a>
    </li>
    <li class="nav-li">
        <a href="" class="nav-a nav-a7"></a>
    </li>
</ul>

main主体

css

.main {
    width: 1210px;
    margin: 0 auto;
    background-color: white;
}
.main:after {
    content: '';
    display: block;
    clear: both;
}
.main > div {
    float: left;
}
.main-left, .main-right, .main-center {
    float: left;
    /*跟三者中的最大者*/
    height: 1225px;
}

.main-left, .main-right {
    width: 178px;
    /*background-color: orange;*/
    border-left: 1px solid #ccc;
    border-right: 1px solid #ccc;
    padding-top: 10px;
    padding-bottom: 20px;
}
.main-center {
    width: 850px;
    /*background-color: red;*/
    /*height: 500px;*/
}

.main-col h3 {
    font: bold 15px/30px 'Arial';
    /*background-color: pink;*/
    padding-left: 10px;
    margin-top: 5px;
}
.main-col a {
    display: block;
    font: normal 14px/26px '微软雅黑';
    padding-left: 15px;
}
.main-left .main-col a:hover {
    background-color: #ccc;
    color: white;
}
.main-left .main-col a:active {
    background-color: #BD2D30;
}

.main-right .main-col a {
    color: #BD2D30;
}
.main-right .main-col a:hover {
    background-color: #BD2D30;
    color: white;
}

.main-col-title {
    padding: 10px 0 0 10px;
}
.main-col-title a {
    font-size: 14px;
    color: #0479A7;
    /*下划线一定和文本紧挨*/
    /*text-decoration: underline;*/

    /*下边框也可以完成下划线的效果,且可以通过padding-bottom完成距离*/
    /*border-bottom: 1px solid #0479A7;*/
}
.main-col-title a:hover {
    /*下边框也可以完成下划线的效果,且可以通过padding-bottom完成距离*/
    border-bottom: 1px solid #0479A7;
}



.main-center {
    padding: 0 15px;
    width: 820px;
}

.main-box {
    /*height: 200px;*/
    /*background-color: orange;*/
    border-bottom: 1px solid #aaa;
}
.main-box:last-of-type {
    border-bottom: none;
}
.main-box1 {
    text-align: center;
    padding: 60px 0 30px;
}
.main-box1 h2 {
    line-height: 45px;
}
.main-box1 p {
    line-height: 35px;
    font-size: 17px;
    font-weight: 400;
}

.main-xbox {
    padding: 30px 0 30px 120px;
}
.main-xbox h3 {
    line-height: 40px;
}
.main-xbox p {
    line-height: 30px;
}
.main-box2 {
    background: url("../img/icon2.png") no-repeat 0 20px;
}
.main-box3 {
    background: url("../img/icon3.png") no-repeat 0 20px;
}
.main-box4 {
    background: url("../img/icon4.png") no-repeat 0 20px;
}
.main-box5 {
    background: url("../img/icon5.png") no-repeat 0 20px;
}
.main-box5 a {
    color: #AE4141;
    border-bottom: 1px solid #BD2D30;
}
.main-box5 a:hover {
    color: red;
    border-bottom: 1px solid red;
}
.main-box8 {
    background: url("../img/icon8.png") no-repeat 0 20px;
    padding-bottom: 50px;
}
.main-box8:after {
    content: '';
    display: block;
    clear: both;
}
.main-box8 p a {
    border-bottom: 1px solid #BD2D30;
    margin-right: 20px;
}
.main-box8 p a:hover {
    border-bottom: 1px solid red;
}

.mark-ww {
    margin-top: 40px;
}
.weibo {
    padding: 25px 0 0 55px;
    width: 234px;
    height: 62px;
    float: left;
    background-image: url("../img/icon9.png");
}
/*.weibo h5 {*/
    /*color: #888;*/
/*}*/
/*.weibo a {*/
    /*font-size: 14px;*/
    /*border-bottom: 1px solid #BD2D30;*/
/*}*/
/*.weibo a:hover {*/
    /*font-size: 14px;*/
    /*border-bottom: 1px solid red;*/
/*}*/

.weixin {
    padding: 25px 0 0 55px;
    width: 242px;
    height: 62px;
    float: left;
    background-image: url("../img/icon10.png");
    margin-left: 60px;
}
.mark-ww h5 {
    color: #888;
}
.mark-ww a {
    font-size: 14px;
    border-bottom: 1px solid #BD2D30;
}
.mark-ww a:hover {
    font-size: 14px;
    border-bottom: 1px solid red;
}

html

<div class="main">
    <!--main 左边栏-->
    <div class="main-left">
        <div class="main-col">
            <h3>HTML 教程</h3>
            <ul>
                <li>
                    <a href="">html</a>
                </li>
                <li>
                    <a href="">html5</a>
                </li>
                <li>
                    <a href="">xhtml</a>
                </li>
                <li>
                    <a href="">css</a>
                </li>
                <li>
                    <a href="">css3</a>
                </li>
                <li>
                    <a href="">tcp/ip</a>
                </li>
            </ul>
        </div>

        <div class="main-col">
            <h3>HTML 教程</h3>
            <ul>
                <li>
                    <a href="">html</a>
                </li>
                <li>
                    <a href="">html5</a>
                </li>
                <li>
                    <a href="">xhtml</a>
                </li>
                <li>
                    <a href="">css</a>
                </li>
                <li>
                    <a href="">css3</a>
                </li>
                <li>
                    <a href="">tcp/ip</a>
                </li>
            </ul>
        </div>

        <div class="main-col">
            <h3>HTML 教程</h3>
            <ul>
                <li>
                    <a href="">html</a>
                </li>
                <li>
                    <a href="">html5</a>
                </li>
                <li>
                    <a href="">xhtml</a>
                </li>
                <li>
                    <a href="">css</a>
                </li>
                <li>
                    <a href="">css3</a>
                </li>
                <li>
                    <a href="">tcp/ip</a>
                </li>
            </ul>
        </div>

        <h4 class="main-col-title">
            <a href="">关于 W3School</a>
        </h4>
        <h4 class="main-col-title">
            <a href="">帮助 W3School</a>
        </h4>
    </div>

    <!--main 中主体-->
    <div class="main-center">
        <div class="main-box main-box1">
            <h2>领先的 Web 技术教程 - 全部免费</h2>
            <p>在 W3School,你可以找到你所需要的所有的网站建设教程。</p>
            <p>从基础的 HTML 到 CSS,乃至进阶的 XML、SQL、JS、PHP 和 ASP.NET。</p>
            <p>
                <b>从左侧的菜单选择你需要的教程!</b>
            </p>
        </div>

        <div class="main-box main-xbox main-box2">
            <h3>完整的网站技术参考手册</h3>
            <p>我们的参考手册涵盖了网站技术的方方面面。</p>
            <p>其中包括W3C标准技术:HTML、CSS、XML 。以及其他技术,诸如 JavaScript、PHP、SQL 等。</p>
        </div>

        <div class="main-box main-xbox main-box3">
            <h3>在线实例测试工具</h3>
            <p>在 W3School,我们提供上千个实例。</p>
            <p>通过使用我们的在线编辑器,你可以编辑这些例子,并对代码进行实验。</p>
        </div>

        <div class="main-box main-xbox main-box4">
            <h3>快捷易懂的学习方式</h3>
            <p>一寸光阴一寸金,因此,我们为您提供快捷易懂的学习内容。</p>
            <p>在这里,您可以通过一种易懂的便利的模式获得您需要的任何知识。</p>
        </div>

        <div class="main-box main-xbox main-box5">
            <h3>从何入手?</h3>
            <p>什么是一个 Web 建设者需要学习的知识呢?</p>
            <p>W3School 将为您回答这个问题,在您成为专业 Web 开发者的路上助一臂之力。</p>
            <p>如果您是初学者,请您阅读《<a href="">网站构建初级教程</a>》。</p>
            <p>如果您是开发者,请您阅读《<a href="">网站构建高级教程</a>》。</p>
        </div>

        <div class="main-box main-xbox main-box8">
            <h3>W3School 友情链接</h3>
            <p>
                <a href="">Firefox 中文社区</a>
                <a href="">w3ctech</a>
                <a href="">WeTest腾讯质量开放平台</a>
            </p>
            <div class="mark-ww">
                <div class="weibo">
                    <h5>新浪微博</h5>
                    <a href="">W3School 官方微博</a>
                </div>
                <div class="weixin">
                    <h5>微信公众号</h5>
                    <a href="">W3School 官方服务号</a>
                </div>
            </div>
        </div>

    </div>

    <!--main 右边栏-->
    <div class="main-right">
        <div class="main-col">
            <h3>参考手册</h3>
            <ul>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
            </ul>
        </div>

        <div class="main-col">
            <h3>参考手册</h3>
            <ul>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
            </ul>
        </div>

        <div class="main-col">
            <h3>参考手册</h3>
            <ul>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
                <li>
                    <a href="">html/html5标签</a>
                </li>
            </ul>
        </div>
    </div>
</div>

footer页脚

css

.footer {
    width: 1210px;
    margin: 0 auto;
    text-align: center;
}
.footer-d1 {
    padding-top: 14px;
    height: 32px;
    background-color: #777;
    background-image: url("../img/footer.png");
}
.footer-d1 p {
    font-size: 14px;
    color: #777;
    line-height: 24px;
    background: url("../img/alert.png") no-repeat 200px;
    text-indent: 30px;
}
.footer-d2 p {
    font-size: 15px;
    color: #777;
    line-height: 56px;
    text-indent: 30px;
}
.footer-d2 a {
    color: #777;
}
.footer-d2 a:hover {
    color: black;
    text-decoration: underline;
}
.footer-d2 .a5 {
    margin-left: 20px;
}

html

<div class="footer">
    <div class="footer-d1">
        <p>W3School 简体中文版提供的内容仅用于培训和测试,不保证内容的正确性。通过使用本站内容随之而来的风险与本站无关。</p>
    </div>
    <div class="footer-d2">
        <p><a class="a1" href="">使用条款</a>和<a class="a2" href="">隐私条款</a>。版权所有,保留一切权利。 赞助商:<a class="a3" href="">上海赢科投资有限公司</a>。 <a class="a4" href="">蒙ICP备06004630号</a> <a class="a5" href="">广告刊例</a></p>
    </div>
</div>

多页面转跳

css/nav.css

.nav-a.active {
    background-position-y: -48px;
}

主页修订

<a href="w3c网站.html" title="w3c在线教学"></a>
<a title="html/css教程" href="html/h.html" class="nav-a nav-a1"></a>
<a href="html/j.html" class="nav-a nav-a2"></a>

html/h.html

<a href="../w3c网站.html" title="w3c在线教学"></a>
<a title="html/css教程" href="h.html" class="nav-a nav-a1 active"></a>
<a href="j.html" class="nav-a nav-a2"></a>

html/j.html

<a href="../w3c网站.html" title="w3c在线教学"></a>
<a title="html/css教程" href="h.html" class="nav-a nav-a1"></a>
<a href="j.html" class="nav-a nav-a2 active"></a>

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转载自www.cnblogs.com/bladecheng/p/11284535.html
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