body,
div,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
pre,
code,
button form,
input,
textarea,
p,
blockquote,
th,
td {
  padding: 0;
  margin: 0;
}

body {
  color: #646464;
  font: 12px/1 Microsoft YaHei, Arial, sans-serif;
  overflow-x: hidden;
  overflow-y: auto !important;
}

body,html {
    color: #444;
    height: 100%;
}

body::-webkit-scrollbar {
  display: none;
}

img {
  border: 0 none;
}

ol,
ul {
  list-style: none;
}

input,
button,
textarea,
select,
optgroup,
option {
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
  border: 0 none;
}

input:focus {
  outline: none;
}

/* 标题元素样式清除 */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
  font-size: 100%;
}

/* 链接样式，颜色可酌情修改 */
del,
ins,
a {
  cursor: pointer;
  letter-spacing: 1px;
  color: inherit;
}
audio, video{
  outline: none;
}