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

* {
  outline: none !important;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", sans-serif;
}

html,
body {
  height: 100%;
}

fieldset,
img {
    border: 0; display: block; width: 100%;
}

ol,
ul {
  list-style: none;
}

em {
  font-style: normal;
}

input, button, select, textarea {
  outline: none;
}

i {
  display: inline-block;
}

a {
  color: inherit;
  text-decoration: none;
}
.clearfix::after {
  display: block; content: '.'; clear: both; visibility: hidden; height: 0;
}