flexblox css code example
Example 1: make the first item at the very top of the screen
.fixedElement {
position:fixed;
top:0;
width:100%;
z-index:100;
}
Example 2: what is the flex box
flexbox definition
.fixedElement {
position:fixed;
top:0;
width:100%;
z-index:100;
}
flexbox definition