How to delay the appearance of elements

#HTML

1   #row-7680 {
2
3   opacity: 0;
4
5   animation: fadeIn 1s;
6
7   animation-delay: 900s;
8
9   animation-fill-mode: forwards;
10
11   pointer-events: none;
12
13   }
14
15   @keyframes fadeIn {
16
17   from { opacity: 0; pointer-events: none; }
18
19   to { opacity: 1; pointer-events: auto; }
20  
21   }