cara membuat header selalu di atas di html
#header {
position: sticky; /*(recomended)*/
top: 0px;
position: fixed;
}
Coder.html
#header {
position: sticky; /*(recomended)*/
top: 0px;
position: fixed;
}
#header {
position: fixed;
}
#content {
margin-top: 100px;
}