css centring code example

Example 1: center a div in css

.container {
  display: flex;
  justify-content: center;
  align-items: center;
}

Example 2: css vertical center

/* No Flexbox */
.parent {
  position: relative;
}
.child {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

/* With Flexbox */

.parent {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

Example 3: how to center an ing with block display

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

Example 4: how to put container in center of page

#container
{
    width: 400px;
    margin-left: auto;
    margin-right: auto;
}