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  • /normalize.css 比cssreset更实用

    /*! normalize.css v2.0.1 | MIT License | git.io/normalize */


    /* ==========================================================================
       HTML5 display definitions
       ========================================================================== */


    /*
     * Corrects `block` display not defined in IE 8/9.
     */


    article,
    aside,
    details,
    figcaption,
    figure,
    footer,
    header,


    nav,
    section,
    summary {
        display: block;
    }


    /*
     * Corrects `inline-block` display not defined in IE 8/9.
     */


    audio,
    canvas,
    video {
        display: inline-block;
    }


    /*
     * Prevents modern browsers from displaying `audio` without controls.
     * Remove excess height in iOS 5 devices.
     */


    audio:not([controls]) {
        display: none;
        height: 0;
    }


    /*
     * Addresses styling for `hidden` attribute not present in IE 8/9.
     */


    [hidden] {
        display: none;
    }


    /* ==========================================================================
       Base
       ========================================================================== */


    /*
     * 1. Sets default font family to sans-serif.
     * 2. Prevents iOS text size adjust after orientation change, without disabling
     *    user zoom.
     */


    html {
        font-family: sans-serif; /* 1 */
        -webkit-text-size-adjust: 100%; /* 2 */
        -ms-text-size-adjust: 100%; /* 2 */
    }


    /*
     * Removes default margin.
     */


    body {
        margin: 0;
    }


    /* ==========================================================================
       Links
       ========================================================================== */


    /*
     * Addresses `outline` inconsistency between Chrome and other browsers.
     */


    a:focus {
        outline: thin dotted;
    }


    /*
     * Improves readability when focused and also mouse hovered in all browsers.
     */


    a:active,
    a:hover {
        outline: 0;
    }


    /* ==========================================================================
       Typography
       ========================================================================== */


    /*
     * Addresses `h1` font sizes within `section` and `article` in Firefox 4+,
     * Safari 5, and Chrome.
     */


    h1 {
        font-size: 2em;
    }


    /*
     * Addresses styling not present in IE 8/9, Safari 5, and Chrome.
     */


    abbr[title] {
        border-bottom: 1px dotted;
    }


    /*
     * Addresses style set to `bolder` in Firefox 4+, Safari 5, and Chrome.
     */


    b,
    strong {
        font-weight: bold;
    }


    /*
     * Addresses styling not present in Safari 5 and Chrome.
     */


    dfn {
        font-style: italic;
    }


    /*
     * Addresses styling not present in IE 8/9.
     */


    mark {
        background: #ff0;
        color: #000;
    }




    /*
     * Corrects font family set oddly in Safari 5 and Chrome.
     */


    code,
    kbd,
    pre,
    samp {
        font-family: monospace, serif;
        font-size: 1em;
    }


    /*
     * Improves readability of pre-formatted text in all browsers.
     */


    pre {
        white-space: pre;
        white-space: pre-wrap;
        word-wrap: break-word;
    }


    /*
     * Sets consistent quote types.
     */


    q {
        quotes: "201C" "201D" "2018" "2019";
    }


    /*
     * Addresses inconsistent and variable font size in all browsers.
     */


    small {
        font-size: 80%;
    }


    /*
     * Prevents `sub` and `sup` affecting `line-height` in all browsers.
     */


    sub,
    sup {
        font-size: 75%;
        line-height: 0;
        position: relative;
        vertical-align: baseline;
    }


    sup {
        top: -0.5em;
    }


    sub {
        bottom: -0.25em;
    }


    /* ==========================================================================
       Embedded content
       ========================================================================== */


    /*
     * Removes border when inside `a` element in IE 8/9.
     */


    img {
        border: 0;
    }


    /*
     * Corrects overflow displayed oddly in IE 9.
     */


    svg:not(:root) {
        overflow: hidden;
    }


    /* ==========================================================================
       Figures
       ========================================================================== */


    /*
     * Addresses margin not present in IE 8/9 and Safari 5.
     */


    figure {
        margin: 0;
    }


    /* ==========================================================================
       Forms
       ========================================================================== */


    /*
     * Define consistent border, margin, and padding.
     */


    fieldset {
        border: 1px solid #c0c0c0;
        margin: 0 2px;
        padding: 0.35em 0.625em 0.75em;
    }


    /*
     * 1. Corrects color not being inherited in IE 8/9.
     * 2. Remove padding so people aren't caught out if they zero out fieldsets.
     */


    legend {
        border: 0; /* 1 */
        padding: 0; /* 2 */
    }


    /*
     * 1. Corrects font family not being inherited in all browsers.
     * 2. Corrects font size not being inherited in all browsers.
     * 3. Addresses margins set differently in Firefox 4+, Safari 5, and Chrome
     */


    button,
    input,
    select,
    textarea {
        font-family: inherit; /* 1 */
        font-size: 100%; /* 2 */
        margin: 0; /* 3 */
    }


    /*
     * Addresses Firefox 4+ setting `line-height` on `input` using `!important` in
     * the UA stylesheet.
     */


    button,
    input {
        line-height: normal;
    }


    /*
     * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
     *    and `video` controls.
     * 2. Corrects inability to style clickable `input` types in iOS.
     * 3. Improves usability and consistency of cursor style between image-type
     *    `input` and others.
     */


    button,
    html input[type="button"], /* 1 */
    input[type="reset"],
    input[type="submit"] {
        -webkit-appearance: button; /* 2 */
        cursor: pointer; /* 3 */
    }


    /*
     * Re-set default cursor for disabled elements.
     */


    button[disabled],
    input[disabled] {
        cursor: default;
    }


    /*
     * 1. Addresses box sizing set to `content-box` in IE 8/9.
     * 2. Removes excess padding in IE 8/9.
     */


    input[type="checkbox"],
    input[type="radio"] {
        box-sizing: border-box; /* 1 */
        padding: 0; /* 2 */
    }


    /*
     * 1. Addresses `appearance` set to `searchfield` in Safari 5 and Chrome.
     * 2. Addresses `box-sizing` set to `border-box` in Safari 5 and Chrome
     *    (include `-moz` to future-proof).
     */


    input[type="search"] {
        -webkit-appearance: textfield; /* 1 */
        -moz-box-sizing: content-box;
        -webkit-box-sizing: content-box; /* 2 */
        box-sizing: content-box;
    }


    /*
     * Removes inner padding and search cancel button in Safari 5 and Chrome
     * on OS X.
     */


    input[type="search"]::-webkit-search-cancel-button,
    input[type="search"]::-webkit-search-decoration {
        -webkit-appearance: none;
    }


    /*
     * Removes inner padding and border in Firefox 4+.
     */


    button::-moz-focus-inner,
    input::-moz-focus-inner {
        border: 0;
        padding: 0;
    }


    /*
     * 1. Removes default vertical scrollbar in IE 8/9.
     * 2. Improves readability and alignment in all browsers.
     */


    textarea {
        overflow: auto; /* 1 */
        vertical-align: top; /* 2 */
    }


    /* ==========================================================================
       Tables
       ========================================================================== */


    /*
     * Remove most spacing between table cells.
     */


    table {
        border-collapse: collapse;
        border-spacing: 0;
    }
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  • 原文地址:https://www.cnblogs.com/mxdneu/p/5203754.html
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