div item align center code example

Example 1: center a div in css

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

Example 2: how to center a div element

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

Example 3: how to horizontal center a div in css

#inner {
  width: 50%;
  margin: 0 auto;
}