/*此处用来放置普遍样式*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: #333;
}

ol,
ul {
  list-style: none;
}

.w1200 {
  width: 1200px;
  margin: 0 auto;
}

.border-b-eee {
  border-bottom: 1px solid #eee;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.flex {
  display: flex;
}

.align-center {
  align-items: center;
}

.flexWrap {
  flex-wrap: wrap;
}

.w20 {
  width: 20%;
}