I set property of all div tags inside a parent class using parentClass>div{ } method in css. Then i assign one of the div tag a seperate class named child. But anything i set in child doesnt affect that div tag. 
.parent>div {
  padding: 10%;
  border: 1px solid green;
}
.child {
  padding: 0;
  border: 1px solid green;
}
<div class="parent">
  <div>something</div>
  <div class="child">CHILD</div>
</div>
How can I make child class effective.