xiaoshi-wx/myComponents/popover/popover-item.wxss

.popover-item {
  width: 100%;
  font-size: 14px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.popover-item-hover {
  background-color: #EEE;
}
.underline{
  border-bottom:1px #EEE solid;
}