SCSS

by AlexandrAbakumov

HTML

<div class="cntnr">
  <div class="child">wrwerewrewrwr</div>
</div>

SCSS

html, body {
  height: 100%;
  width: 100%;
}

.cntnr {
  background-color: yellow;
  display: flex;
  height: 200px;
  
  align-items: stretch; // flex-end; // center;
  justify-content: center; //center;
}

.child {
  background-color: blue;
  /*height: 100px;
  width: 100px;*/
}