.nav{
  display: flex;
  flex-direction: row;
  height: 40px;
}

.select{
  width: 50%;
  height: 35px;
  line-height: 35px;
  text-align: center;
  font-size: 14px;
  border-bottom: 5px solid #e6e6e6;
}

.normal{
  width: 50%;
  height: 35px;
  line-height: 35px;
  text-align: center;
  font-size: 14px;
}

.line{
  height: 40px;
  line-height: 35px;
  font-size: 18px;
}