Answers for "center two elements in div"

different ways to center a div

/* Centering an element without flexbox */
.parent-element {
  position: relative;
}

.child-element {
	position: absolute;
  	left: 50%;
  	top: 50%;
  	transform: translate(-50%, -50%);
}

/* Centering an element using flexbox */
.parent-element {
	display: flex;
  	align-items: center;
  	justify-content: center;
}

center element in div

/* html */
<h1>Centering with CSS</h1>

<h3>Text-Align Method</h3>
<div class="blue-square-container">
  <div class="blue-square"></div>
</div>

<h3>Margin Auto Method</h3>
<div class="yellow-square"></div>

<h3>Absolute Positioning Method</h3>
<div class="green-square"></div>

/* css */
h1,
h3 {
  text-align: center;
}

.blue-square-container {
  text-align: center;
}

.blue-square {
  background-color: #0074D9;
  width: 100px;
  height: 100px;
  display: inline-block;
}