CSS how to move an IMG to center code example

Example 1: css image center

.container {
    position: relative;
    float: right;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.container img {
    position: absolute;
    top: 50%;
    left: 50%;
    width: auto;
    min-width: 100%;
    height: 100%;
    /* height: auto; */
    /* min-height: 100%; */
    margin-right: -50%;
    transform: translate(-50%, -50%);
    object-fit: contain;
    -o-object-fit: contain;
}

Example 2: make image go to center of page

//Making an image go to the center of the page
//A
<img src="wuteva.jpg" class="center">
//B
<parentElement style="text-align: center;">
//C
// put the image in a div with style="text-align: center;"

Example 3: css for displaying image center

text-align: center;