Check out example codes for "how to center text in css". It will help you in understanding the concepts better.

Code Example 1

/* To center text, you need to use text-align. */

.centerText {
  text-align: center; /* This puts the text into the center of the 
  screen. */
}

/* There are also other things that you can use in text-align:
left, right, and justify. Left and right make the test align to the
right or left of the screen, while justify makes the text align both
sides by spreading out spaces between some words and squishing others. */

Code Example 2

.class {
	text-align: center;
}

Code Example 3

text-align: center

Code Example 4

body {
  text-align: center;
}

Code Example 5

div.a {
  text-align: center;
}


    div.b {
  text-align: left;
}


    div.c {
  text-align: right;
}

div.c {
  text-align: 
    justify;
}

Code Example 6

<!--center text-->
<!--padding deals with margins within the element itself-->
<!--margin deals with blank space surrounding and element-->
<!DOCTYPE html>
<html>
<head>
<style>
.center {
  margin: auto;
  width: 80%;
  border: 3px solid #73AD21;
  padding: 10px; 
  margin: 20px;
}
</style>
</head>
<body>

<h2>Center Align Elements</h2>
<p>To horizontally center a block element (like div), use margin: auto;</p>

<div class="center">
  <p><b>Note: </b>Using margin:auto will not work in IE8, unless a !DOCTYPE is declared.</p>
</div>

</body>
</html>

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