customerapp-H5/unpackage/dist/dev/mp-weixin/components/citypicker/city-pickers.wxss

.pickerMask {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
}
.mpvue-picker-content {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  transition: all 0.3s ease;
  -webkit-transform: translateY(100%);
          transform: translateY(100%);
  z-index: 3000;
}
.mpvue-picker-view-show {
  -webkit-transform: translateY(0);
          transform: translateY(0);
}
.mpvue-picker__hd {
  display: flex;
  padding: 9px 15px;
  background-color: #fff;
  position: relative;
  text-align: center;
  font-size: 17px;
}
.mpvue-picker__hd:after {
  content: ' ';
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  height: 1px;
  border-bottom: 1px solid #e5e5e5;
  color: #e5e5e5;
  -webkit-transform-origin: 0 100%;
          transform-origin: 0 100%;
  -webkit-transform: scaleY(0.5);
          transform: scaleY(0.5);
}
.mpvue-picker__action {
  display: block;
  flex: 1;
  color: #1aad19;
}
.mpvue-picker__action:first-child {
  text-align: left;
  color: #888;
}
.mpvue-picker__action:last-child {
  text-align: right;
}
.picker-item {
  text-align: center;
  line-height: 40px;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
}
.mpvue-picker-view {
  position: relative;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 238px;
  background-color: rgba(255, 255, 255, 1);
}