5种CSS_RESET借鉴

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1、Eric Meyer’s “Reset CSS”
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/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/


html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
display: block;
}
body {
line-height: 1;
}
ol, ul {
list-style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
table {
border-collapse: collapse;
border-spacing: 0;
}

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2、HTML5 Doctor CSS Reset
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/* 
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com 
Twitter: @rich_clark
*/


html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}


body {
    line-height:1;
}


article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section { 
    display:block;
}


nav ul {
    list-style:none;
}


blockquote, q {
    quotes:none;
}


blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}


a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}


/* change colours to suit your needs */
ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}


/* change colours to suit your needs */
mark {
    background-color:#ff9;
    color:#000; 
    font-style:italic;
    font-weight:bold;
}


del {
    text-decoration: line-through;
}


abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}


table {
    border-collapse:collapse;
    border-spacing:0;
}


/* change border colour to suit your needs */
hr {
    display:block;
    height:1px;
    border:0;   
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}


input, select {
    vertical-align:middle;
}

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3、Yahoo! (YUI 3) Reset CSS
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To use CSS Reset, include the following source file in your web page:
<link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.18.1/build/cssreset/cssreset-min.css">


/*
YUI 3.18.1 (build f7e7bcb)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/


html{color:#000;background:#FFF}body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td{margin:0;padding:0}table{border-collapse:collapse;border-spacing:0}fieldset,img{border:0}address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal}ol,ul{list-style:none}caption,th{text-align:left}h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal}q:before,q:after{content:''}abbr,acronym{border:0;font-variant:normal}sup{vertical-align:text-top}sub{vertical-align:text-bottom}input,textarea,select{font-family:inherit;font-size:inherit;font-weight:inherit;*font-size:100%}legend{color:#000}#yui3-css-stamp.cssreset{display:none}

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4、Universal Selector ‘*’ Reset
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* {
margin: 0;
padding: 0;
}

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5、Normalize.css
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/*! normalize.css v4.1.1 | MIT License | github.com/necolas/normalize.css */


/**
 * 1. Change the default font family in all browsers (opinionated).
 * 2. Prevent adjustments of font size after orientation changes in IE and iOS.
 */


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


/**
 * Remove the margin in all browsers (opinionated).
 */


body {
  margin: 0;
}


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


/**
 * Add the correct display in IE 9-.
 * 1. Add the correct display in Edge, IE, and Firefox.
 * 2. Add the correct display in IE.
 */


article,
aside,
details, /* 1 */
figcaption,
figure,
footer,
header,
main, /* 2 */
menu,
nav,
section,
summary { /* 1 */
  display: block;
}


/**
 * Add the correct display in IE 9-.
 */


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


/**
 * Add the correct display in iOS 4-7.
 */


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


/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */


progress {
  vertical-align: baseline;
}


/**
 * Add the correct display in IE 10-.
 * 1. Add the correct display in IE.
 */


template, /* 1 */
[hidden] {
  display: none;
}


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


/**
 * 1. Remove the gray background on active links in IE 10.
 * 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
 */


a {
  background-color: transparent; /* 1 */
  -webkit-text-decoration-skip: objects; /* 2 */
}


/**
 * Remove the outline on focused links when they are also active or hovered
 * in all browsers (opinionated).
 */


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


/* Text-level semantics
   ========================================================================== */


/**
 * 1. Remove the bottom border in Firefox 39-.
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */


abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
}


/**
 * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
 */


b,
strong {
  font-weight: inherit;
}


/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */


b,
strong {
  font-weight: bolder;
}


/**
 * Add the correct font style in Android 4.3-.
 */


dfn {
  font-style: italic;
}


/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */


h1 {
  font-size: 2em;
  margin: 0.67em 0;
}


/**
 * Add the correct background and color in IE 9-.
 */


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


/**
 * Add the correct font size in all browsers.
 */


small {
  font-size: 80%;
}


/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */


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


sub {
  bottom: -0.25em;
}


sup {
  top: -0.5em;
}


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


/**
 * Remove the border on images inside links in IE 10-.
 */


img {
  border-style: none;
}


/**
 * Hide the overflow in IE.
 */


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


/* Grouping content
   ========================================================================== */


/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */


code,
kbd,
pre,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}


/**
 * Add the correct margin in IE 8.
 */


figure {
  margin: 1em 40px;
}


/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */


hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}


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


/**
 * 1. Change font properties to `inherit` in all browsers (opinionated).
 * 2. Remove the margin in Firefox and Safari.
 */


button,
input,
select,
textarea {
  font: inherit; /* 1 */
  margin: 0; /* 2 */
}


/**
 * Restore the font weight unset by the previous rule.
 */


optgroup {
  font-weight: bold;
}


/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */


button,
input { /* 1 */
  overflow: visible;
}


/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */


button,
select { /* 1 */
  text-transform: none;
}


/**
 * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
 *    controls in Android 4.
 * 2. Correct the inability to style clickable types in iOS and Safari.
 */


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


/**
 * Remove the inner border and padding in Firefox.
 */


button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}


/**
 * Restore the focus styles unset by the previous rule.
 */


button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}


/**
 * Change the border, margin, and padding in all browsers (opinionated).
 */


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


/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */


legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}


/**
 * Remove the default vertical scrollbar in IE.
 */


textarea {
  overflow: auto;
}


/**
 * 1. Add the correct box sizing in IE 10-.
 * 2. Remove the padding in IE 10-.
 */


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


/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */


[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}


/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */


[type="search"] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}


/**
 * Remove the inner padding and cancel buttons in Chrome and Safari on OS X.
 */


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


/**
 * Correct the text style of placeholders in Chrome, Edge, and Safari.
 */


::-webkit-input-placeholder {
  color: inherit;
  opacity: 0.54;
}


/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */


::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}