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[Html/Css] css样式重置 移动端适配

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    2024-2-20 11:15
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    发表于 2020-4-14 20:00:01 | 显示全部楼层 |阅读模式

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    css  默认样式重置

    [CSS] 纯文本查看 复制代码
    @charset "utf-8";
    *{margin:0;padding:0;}
    img {border:none; display:block;}
    em,i{ font-style:normal;}
    body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td, font { padding: 0; margin: 0; font-family:"微软雅黑"; }
    table { border-collapse: collapse; border-spacing: 0;}
    h1, h2, h3, h4, h5, h6 { font-weight: normal; font-size: 100%; }
    ol, ul, li, dl, dt, dd { list-style: none; }
    input, button, textarea, checkbox, select, radio, form { vertical-align: top; }
    a{ color: #000; text-decoration: none; }
    a:link, a:visited { text-decoration: none; }
    a:hover{color:#cd0200;text-decoration:underline}
    input[type="submit"],  input[type="reset"],  input[type="button"],  button {
        -webkit-appearance: none;
    }
    html,body{height:100%}


    移动端适配   rem.js
    /**
    * YDUI 可伸缩布局方案
    * rem计算方式:设计图尺寸px / 100 = 实际rem  例: 100px = 1rem
    */
    !function (window) {
      
        /* 设计图文档宽度 */
        var docWidth = 750;
      
        var doc = window.document,
            docEl = doc.documentElement,
            resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize';
      
        var recalc = (function refreshRem () {
            var clientWidth = docEl.getBoundingClientRect().width;
      
            /* 8.55:小于320px不再缩小,11.2:大于420px不再放大 */
            docEl.style.fontSize = Math.max(Math.min(20 * (clientWidth / docWidth), 11.2), 8.55) * 5 + 'px';
      
            return refreshRem;
        })();
      
        /* 添加倍屏标识,安卓为1 */
        docEl.setAttribute('data-dpr', window.navigator.appVersion.match(/iphone/gi) ? window.devicePixelRatio : 1);
      
        if (/iP(hone|od|ad)/.test(window.navigator.userAgent)) {
            /* 添加IOS标识 */
            doc.documentElement.classList.add('ios');
            /* IOS8以上给html添加hairline样式,以便特殊处理 */
            if (parseInt(window.navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/)[1], 10) >= 8)
                doc.documentElement.classList.add('hairline');
        }
      
        if (!doc.addEventListener) return;
        window.addEventListener(resizeEvt, recalc, false);
        doc.addEventListener('DOMContentLoaded', recalc, false);
      
    }(window);




    移动端适配静态小demo (需引入上方css、rem.js)
    css
    [CSS] 纯文本查看 复制代码
    body{
        display:flex;
        flex-direction:column;
        height:100%;
    }
    
    /* head */
    header{
        height:1rem;
        background:#0dc441;
        display:flex;
        justify-content:center;
        align-items: center;
    }
    header span{
        display:block;
        width:1.5rem;
        height:.5rem;
        background:#64d985;
        text-align:center;
        line-height:.5rem;
        color:#fff;
        font-size:16px;
    }
    header span:nth-child(1){
        border-radius:1rem 0 0 1rem
    }
    header span:nth-child(2){
        border-radius: 0 1rem 1rem 0;
        background:#3dd067;
        color:#a3e9b7;
    }
    
    /* nav */
    nav{
        height:1rem;
        border-bottom:1px solid #d9d9d9;
        display:flex; 
    }
    nav li{
        height:1rem;
        flex:1;
        text-align:center;
        line-height:1rem;
        font-size:14px;
        color:#666;
    }
    nav .active{
        border-bottom:2px solid #0dc441;
        color:#0dc441;
    }
    .made{
        flex:1;
        overflow:auto;
    }
    article{
        display:flex;
        flex-wrap:wrap;
        justify-content:space-between;
    }
    article figure{
        width:49.2%;
        border:1px solid #e5e5e5;
        margin-bottom:0.42rem;
    }
    article figure img{
        width:100%;
    }
    /* footer */
    footer{
        height:1rem;
        background:pink;
    }


    html
    [CSS] 纯文本查看 复制代码
    <body>
    <!-- head -->
        <header>
            <span>孙行者</span>
            <span>者行孙</span>
        </header>
    <!-- nav -->
        <nav>
            <li>孙悟空</li>
            <li class="active">猪八戒</li>
            <li>沙和尚</li>
        </nav>
    <!-- section -->
        <div class="made">
            <article>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
                <figure>
                    <img src="5.jpg" alt="">
                </figure>
            </article>
         </div>
    <!-- footer -->
        <footer>
            
        </footer>
    </body>
    </html>







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