CSS Coding for Header Sticky
.site-header {
position: sticky;
top: 0;
z-index: 999;
}
.admin-bar .site-header {
top: 32px;
}
@media screen and (min-width: 768px) {
.site-header {
position: sticky;
top: 0;
z-index: 999;
}
.admin-bar .site-header {
top: 32px;
}
}