how to move an html element to the center code example

Example 1: how to center align the html element in css examples

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

# center text
.center {
  text-align: center;
  
border: 3px solid green;
}

Example 2: how to put element in center in html

p {
  text-align: center;
}