bagaimana elemen tetap tengah
position: fixed;
top: 0;
z-index: 100;
left: 50%;
transform: translateX(-50%);
Crazy Crane
position: fixed;
top: 0;
z-index: 100;
left: 50%;
transform: translateX(-50%);left: 50%;
margin-left: -400px; /* Half of the width */