* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font: 16px/1.5 sans-serif;
  color: #333;
  background-color: #fff;
}
li {
  list-style: none;
}
em,
i {
  font-style: normal;
}
a {
  text-decoration: none;
  color: #333;
}
a:hover {
  color: #5eb69c;
}
img {
  width: 100%;
  vertical-align: middle;
}
input {
  padding: 0;
  border: none;
  outline: none;
  color: #333;
}
button {
  cursor: pointer;
}
/* 清除浮动 */
.clearfix:before,
.clearfix:after {
  content: '';
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}