test.css

background: #222; 
color: #bada55;
font-size: 100px;  
background: url('https://bit.ly/3ne3gaQ') 0 0;  
animation: blinker 1s linear infinite; 
opacity: 0;
/* blink {
    animation: blinker 0.6s linear infinite;
    color: #1c87c9;
}
@keyframes blinker {  
    50% { opacity: 0; }
}
.blink-one {
    animation: blinker-one 1s linear infinite;
}
@keyframes blinker-one {  
    0% { opacity: 0; }
}
.blink-two {
    animation: blinker-two 1.4s linear infinite;
}
@keyframes blinker-two {  
    100% { opacity: 0; }
} */