Modifier la classe Blink dans CSS

@keyframes blink {
            0% {
                opacity: 0;
            }

            49% {
                opacity: 0;
            }

            50% {
                opacity: 1;
            }

            100% {
                opacity: 1;
            }
        }

        .blink {
            animation-name: blink;
            animation-duration: 1s;
            animation-iteration-count: infinite;
          	/*in upper line, you can change infinite or 1s to modify your script*/
        }
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