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css reset重定义浏览器默认样式

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scss css 
$font-family: "'Microsoft Yahei','Hiragino Sans GB','Helvetica Neue',Helvetica,tahoma,arial,'WenQuanYi Micro Hei',Verdana,sans-serif,'\5B8B\4F53'";
$border-color: #e5e5e5;

/*1 重定义浏览器默认样式
  name:        hui-reset
  explain:     重定义浏览器默认样式
*/

* {
  word-wrap: break-word;
}

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
iframe,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
button,
input,
textarea,
th,
td,
fieldset {
  margin: 0;
  padding: 0;
}

ul,
ol,
dl {
  list-style-type: none;
}

html,
body {
  *position: static;
}

html {
  font-family: sans-serif;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

address,
caption,
cite,
code,
dfn,
em,
th,
var {
  font-style: normal;
  font-weight: 400;
}

input,
button,
textarea,
select,
optgroup,
option {
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
}
input,
button {
  overflow: visible;
  vertical-align: middle;
  outline: none;
}
input[type="submit"],
input[type="reset"],
input[type="button"],
input[type="text"],
input[type="password"] {
  -webkit-appearance: none;
  outline: none;
}

body,
th,
td,
button,
input,
select,
textarea {
  font-family: $font-family;
  font-size: 12px;
  color: #333;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media ( max-width: 767px) {
  html {
    overflow-y: auto;
  }
  body,
  th,
  td,
  button,
  input,
  select,
  textarea {
    font-size: 14px;
  }
}

body {
  line-height: 1.6;
  position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
}

a,
area {
  outline: none;
  //blr: expression(this.onFocus=this.blur())
}

a {
  text-decoration: none;
  cursor: pointer;
  &:hover {
    text-decoration: underline;
    outline: none;
  }
  &.ie6:hover {
    zoom: 1;
  }
  &:focus {
      outline: none;
  }
  &:hover,
  &:active {
    outline: none;
  }
}

:focus {
  outline: none;
}

sub,
sup {
  vertical-align: baseline;
}

button,
input[type="button"],
input[type="submit"] {
  line-height: normal !important;
}


/*img*/

img {
  border: 0;
  vertical-align: middle;
}

a img,
img {
  -ms-interpolation-mode: bicubic;
}


/*IE下a:hover 背景闪烁*/

/**html {
  overflow: -moz-scrollbars-vertical;
  zoom:expression(function(ele) {
      ele.style.zoom="1";
      document.execCommand("BackgroundImageCache", false, true)
  }(this))
}*/


/*HTML5 reset*/

header,
footer,
section,
aside,
details,
menu,
article,
section,
nav,
address,
hgroup,
figure,
figcaption,
legend {
  display: block;
  margin: 0;
  padding: 0;
}

time {
  display: inline;
}

audio,
canvas,
video {
  display: inline-block;
  *display: inline;
  *zoom: 1
}

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

legend {
  width: 100%;
  margin-bottom: 20px;
  font-size: 21px;
  line-height: 40px;
  border: 0;
  border-bottom: 1px solid $border-color;
}

legend small {
  font-size: 15px;
  color: #999;
}

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

fieldset {
  border-width: 0;
  padding: 0.35em 0.625em 0.75em;
  margin: 0 2px;
  border: 1px solid $border-color;
}

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

input[type="search"] {
  -webkit-appearance: textfield;
  /* 1 */
}

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

/*清除浮动
Name:       style_clearfix
Example:    class="clearfix"
Explain:    clearfix 避免因子元素浮动而导致的父元素高度缺失能问题
*/
.clearfix:after {
  content: "\20";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.clearfix {
  zoom: 1;
}

  /*1 重定义浏览器默认样式
  name:        hui-reset
  explain:    重定义浏览器默认样式
*/
* {
  word-wrap: break-word;
}

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
iframe,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
button,
input,
textarea,
th,
td,
fieldset {
  margin: 0;
  padding: 0;
}

ul,
ol,
dl {
  list-style-type: none;
}

html,
body {
  *position: static;
}

html {
  font-family: sans-serif;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

address,
caption,
cite,
code,
dfn,
em,
th,
var {
  font-style: normal;
  font-weight: 400;
}

input,
button,
textarea,
select,
optgroup,
option {
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
}

input,
button {
  overflow: visible;
  vertical-align: middle;
  outline: none;
}

input[type=submit],
input[type=reset],
input[type=button],
input[type=text],
input[type=password] {
  -webkit-appearance: none;
  outline: none;
}

body,
th,
td,
button,
input,
select,
textarea {
  font-family: "'Microsoft Yahei','Hiragino Sans GB','Helvetica Neue',Helvetica,tahoma,arial,'WenQuanYi Micro Hei',Verdana,sans-serif,'宋体'";
  font-size: 12px;
  color: #333;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (max-width: 767px) {
  html {
    overflow-y: auto;
  }

  body,
th,
td,
button,
input,
select,
textarea {
    font-size: 14px;
  }
}
body {
  line-height: 1.6;
  position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
}

a,
area {
  outline: none;
}

a {
  text-decoration: none;
  cursor: pointer;
}
a:hover {
  text-decoration: underline;
  outline: none;
}
a.ie6:hover {
  zoom: 1;
}
a:focus {
  outline: none;
}
a:hover, a:active {
  outline: none;
}

:focus {
  outline: none;
}

sub,
sup {
  vertical-align: baseline;
}

button,
input[type=button],
input[type=submit] {
  line-height: normal !important;
}

/*img*/
img {
  border: 0;
  vertical-align: middle;
}

a img,
img {
  -ms-interpolation-mode: bicubic;
}

/*IE下a:hover 背景闪烁*/
/**html {
  overflow: -moz-scrollbars-vertical;
  zoom:expression(function(ele) {
      ele.style.zoom="1";
      document.execCommand("BackgroundImageCache", false, true)
  }(this))
}*/
/*HTML5 reset*/
header,
footer,
section,
aside,
details,
menu,
article,
section,
nav,
address,
hgroup,
figure,
figcaption,
legend {
  display: block;
  margin: 0;
  padding: 0;
}

time {
  display: inline;
}

audio,
canvas,
video {
  display: inline-block;
  *display: inline;
  *zoom: 1;
}

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

legend {
  width: 100%;
  margin-bottom: 20px;
  font-size: 21px;
  line-height: 40px;
  border: 0;
  border-bottom: 1px solid #e5e5e5;
}

legend small {
  font-size: 15px;
  color: #999;
}

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

fieldset {
  border-width: 0;
  padding: 0.35em 0.625em 0.75em;
  margin: 0 2px;
  border: 1px solid #e5e5e5;
}

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

input[type=search] {
  -webkit-appearance: textfield;
  /* 1 */
}

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

/*清除浮动
Name:       style_clearfix
Example:    class="clearfix"
Explain:    clearfix 避免因子元素浮动而导致的父元素高度缺失能问题
*/
.clearfix:after {
  content: " ";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

.clearfix {
  zoom: 1;
}

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