align div elements in center code example

Example 1: keeping elements of container in center

.container {
margin : 0 auto;
}

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 put element in center in html

p {
  text-align: center;
}