/* 清除内外边距 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: emoji;
}
*,*::before,*::after {
  box-sizing: inherit;
}
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
div,
/* structural elements 结构元素 */
dl,
dt,
dd,
ul,
ol,
li,
/* list elements 列表元素 */
pre,
/* text formatting elements 文本格式元素 */
fieldset,
lengend,
button,
input,
textarea,
/* form elements 表单元素 */
th,
td {
  /* table elements 表格元素 */
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: emoji;
}
html {
  font-family: Helvetica;
}
html,body{
  width: 100%;
  height: 100%;
}
body{
  /* overflow-y: scroll; */
}
/* 设置默认字体 */
button,
input,
select,
textarea {
  border: 0px;
  outline: none;
}
address,
cite,
dfn,
em,
var {
  font-style: normal;
}

/* 小于 12px 的中文很难阅读，让 small 正常化 */

/* 重置列表元素 */
ul,
ol {
  list-style: none;
}

/* 重置文本格式元素 */
a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

fieldset,
img {
  border: none;
}

/* 重置表格元素 */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* 让非ie浏览器默认也显示垂直滚动条，防止因滚动条引起的闪烁 */
html {
  /* overflow-y: scroll; */
}

/*超出内容显示省略号*/
.ellipsis {
  max-width: 100%;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

/*清除浮动*/
.clearfix {
  *zoom: 1;
}

.clearfix:before,
.clearfix:after {
  display: table;
  line-height: 0;
  content: "";
}

.clearfix:after {
  clear: both;
}