align div in center of another div code example
Example 1: center a div in css
.container {
display: flex;
justify-content: center;
align-items: center;
}
Example 2: align a div in center of another div
#container {
width: 640px; /*can be in percentage also.*/
height: auto;
margin: 0 auto;
padding: 10px;
position: relative;
}