/**
  通用样式库
  可以自己定义一些公共样式
 */
* {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

*:before, *:after {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

body, div, table, th, td, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, p, input, textarea, select, button, pre, code, form, fieldset, legend, blockquote {
  margin: 0;
  padding: 0;
  border: 0;
}

html, body {
  width: 100%;
  height: 100%;
  background: #fff;
  color: #555;
}

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

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

a {
  color: #555;
  /* text-decoration: none; */
}

a:hover {
  text-decoration: underline;
}

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

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

table {
  border-collapse: collapse;
}

html {
  overflow-y: scroll;
}

.clearfix:before, .clearfix:after {
  content: " ";
  display: inline-block;
  height: 0;
  clear: both;
  visibility: hidden;
}

.clearfix {
  *zoom: 1;
}

i, em {
  font-style: normal;
  font-weight: normal;
}

/************************************************************ 自定义公共类分割线 ************************************************************/
.fl {
  float: left;
}

.fr {
  float: right;
}

.al {
  text-align: left;
}

.ac {
  text-align: center;
}

.ar {
  text-align: right;
}

.hide {
  display: none;
}