Css center image

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

Center image css

.centerImg {
  display: block;
  margin: 0 auto;
}

img { display:block;
      margin-left: auto;
      margin-right:auto;
      }

IMG.displayed {
    display: block;
    margin-left: auto;
    margin-right: auto }
 ...
<IMG class="displayed" src="..." alt="...">

Source: w3.org

<img src="myImg.png" class="center">

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

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