auto update text on writing css

1IDENTIFIER {
2	visibility: hidden;
3	position: relative;
4}
5IDENTIFIER::after {
6	visibility: visible;
7	position: absolute;
8	top: 0;
9	left: 0;
10	content: "NEW_CONTENT";
11}

1.typewriter h1 {
2  overflow: hidden; /* Ensures the content is not revealed until the animation */
3  border-right: .15em solid orange; /* The typwriter cursor */
4  white-space: nowrap; /* Keeps the content on a single line */
5  margin: 0 auto; /* Gives that scrolling effect as the typing happens */
6  letter-spacing: .15em; /* Adjust as needed */
7  animation: 
8    typing 3.5s steps(40, end),
9    blink-caret .75s step-end infinite;
10}
11
12/* The typing effect */
13@keyframes typing {
14  from { width: 0 }
15  to { width: 100% }
16}
17
18/* The typewriter cursor effect */
19@keyframes blink-caret {
20  from, to { border-color: transparent }
21  50% { border-color: orange; }
22}