.persel-empty {
  display: flex;
  height: 150px;
  align-items: center;
  justify-content: center;
}

.persel-empty > span {
  display: inline-block;
  height: 131px;
  width: 131px;
  background: url(../images/empty-131.png) transparent no-repeat 50% 50%;
}

.add-group {
  display: inline-block;
  color: #2879FF;
  font-size: 14px;
  border: 1px solid #2879FF;
  background: #fff;
  border-radius: 2px;
  margin-top: 8px;
  padding: 2px 4px;
}

.empty-tip {
  color: #6F7886;
}