<h1 class="font-weight-400">h1 400</h1>
<h1 class="font-weight-500">h1 500</h1>
<h1 class="font-weight-600">h1 600</h1>
<h5 class="font-weight-400">h5 400</h5>
<h5 class="font-weight-500">h5 500</h5>
<h5 class="font-weight-600">h5 600</h5>
<p class="font-weight-400">p 400</p>
<p class="font-weight-500">p 500</p>
<p class="font-weight-600">p 600</p>

h1, h5, p {
  font-family: 'Poppins';
}
.font-weight-400 {
  font-weight: 400;
}
.font-weight-500 {
  font-weight: 500;
}
.font-weight-600 {
  font-weight: 600;
}