example below should comprehend my question.

```
<div id="bmw" class="car">
  <div class="seats">4</div>
  <div class="fuel">petrol</div>
</div>
<div id="merc" class="car">
  <div class="seats">2</div>
  <div class="fuel">petrol</div>
</div>

```

using css can i select `seats` element of `bmw` element. i don wanna add extra class tag to child elements of `bmw`

and how to select seats of all car class elements

```
<div id="bmw" class="car">
  <div class="seats">4</div>
  <div class="fuel">petrol</div>
</div>
<div id="merc" class="car">
  <div class="seats">2</div>
  <div class="fuel">petrol</div>
</div>
<div id="mazda" class="truck">
  <div class="seats">2</div>
  <div class="fuel">diesel</div>
</div>

```

and how to select element with both car and seat classes

```
<div id="godrej" class="car seat">
  <div class="hands">0</div>
</div>

```