html,
body,
div,
span,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
img,
i,
dl,
dt,
dd,
ol,
ul,
li,
label,
tr,
th,
td,
input {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 14px;
  font-style: normal;
}

html,
body {
  font-family: 'Microsoft YaHei', arial, tahoma, sans-serif;
  color: #000;
}

ol,
ul {
  list-style: none;
}

li {
  list-style: none;
}
a {
  color: #000;
}
button {
  cursor: pointer;
  outline: none;
  background-color: #fff;
  border: 0 none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

input,
textarea {
  border: none;
  margin: 0;
  padding: 0;
  outline: none;
}
.clearfix:after{
  content: ""; 
  display: block; 
  height: 0; 
  clear: both; 
  visibility: hidden;  
}

.clearfix {
  zoom: 1; 
}