html how to center a div code example

Example 1: div align center

.center {
  text-align: center;
}

// or

<div style="text-align:center">
</div>

Example 2: css center image in div

<div style="width: 300px; height: 300px;">
  <img src="./image.png" class="center">
</div>

.center{
  object-fit: scale-down;
  max-width: 100%;
  max-height: 100%;
  height: 15em; /*set your constraint to height/width and set the other to auto*/
  width: auto; 
}

Example 3: centrer une div

.center-div {
     margin: 0 auto;
     width: 100px; 
}

Example 4: how to center a div element

/*ADD MARGIN auto to left and right*/
.box1{
    width:80%;
    margin:0 auto;
}

Example 5: center a div

<div id="outer">
  <div id="inner">Foo foo</div>
</div>
//css:, demo with border
<style>
#inner {
  display: table;
  margin: 0 auto;
  border: 1px solid black;
}

#outer {
  border: 1px solid red;
  width:100%
}
</style>

Example 6: how to center div

<!--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>