vue-mobile-city/src/components/cascader/index.css

this is a vue2.x mobile city

.area{
  padding: 15px 20px;
  display: flex;
  flex-wrap: wrap;
}
.area div{
  width: 29.7%;
  height: 34px;
  padding: 0 5px;
  box-sizing: border-box;
  line-height: 34px;
  text-align: center;
  margin: 0 15px 15px 0;
  overflow: hidden;
  white-space: nowrap;
  word-break: break-all;
  text-overflow: ellipsis;
  border: 1px solid #bbb;
  border-radius: 4px;
  font-size: 14px;
}
.area div:nth-of-type(3n) {
  margin-right: 0;
}
.area div.active{
  border: 1px solid #29d1b4;
  color: #29d1b4;
}