/* 取消页面中标签自带空白 */
body,
ul,
li,
dl,
dt,
dd,
p,
ol,
h1,
h2,
h3,
h4,
h5,
h6,
form,
img,
table,
fieldset,
legend,
figure,
figcaption {
  margin: 0;
  padding: 0;
}

body {
  font-family: "微软雅黑";
  font-size: 12px;
}

/* 取消划线 */
a {
  text-decoration: none;
}

/* 取消列表符号 */
ul,
li,
ol {
  list-style: none;
}

/* 取消加粗 */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}

/* 取消倾斜 */
em,
i {
  font-style: normal;
}

/* 解决图片缝隙 */
img {
  display: block;
}

/* 取消表单控件的边框和背景 */
input {
  border: none;
  background: none;
}

img,
fieldset {
  border: 0;
}

input,
a {
  outline: none;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

/* 解决高度塌陷 */
.clean:after {
  content: '.';
  display: block;
  clear: both;
  height: 0;
  overflow: hidden;
  visibility: hidden;
}