a {
  text-decoration: none;
}

a:link {
  text-decoration: none; /* 指正常的未被访问过的链接*/
}

a:visited {
  text-decoration: none; /*指已经访问过的链接*/
}

a:hover {
  text-decoration: none; /*指鼠标在链接*/
}

a:active {
  text-decoration: none; /* 指正在点的链接*/
}

/*清除number的默认样式,就是那个上下加减的箭头*/
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

/*禁止textarea拉伸*/
textarea[type="textarea"] {
  resize: none;
}

ul, ol {
  padding: 0;
  margin: 0;
}

ul li, ol li {
  list-style: none;
}

body, p, dl, dd, h1, h2, h3, h4, h5, h6 {
  font-size: 12px;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
}

img {
  border: none;
  vertical-align: middle;
}

.clearfix {
  *zoom: 1;
}

.clearfix:after {
  content: "";
  display: block;
  visibility: hidden;
  width: 0;
  height: 0;
  clear: both;
  font-size: 0;
  line-height: 0;
  overflow: hidden;
}

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;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}