css center image

1.center {
2  display: block;
3  margin-left: auto;
4  margin-right: auto;
5}

1/* Here is the CSS code! */
2img {
3  display: block;
4  margin-left: auto;
5  margin-right: auto;
6}

1IMG.displayed {
2    display: block;
3    margin-left: auto;
4    margin-right: auto }
5 ...
6<IMG class="displayed" src="..." alt="...">

1img { display:block;
2      margin-left: auto;
3      margin-right:auto;
4      } 
5     

1.centerImg {
2  display: block;
3  margin: 0 auto;
4}

1<img src="myImg.png" class="center">
2
3.center {
4  display: block;
5  margin-left: auto;
6  margin-right: auto;
7  width: 50%;
8}