JSFiddle - React, Tailwind, and code Playground

HTML

<p><span class="blink">Lorem Ipsum</span> is simply dummy text.</p>

CSS

.blink {
        -webkit-animation: blink .75s linear infinite;
        -moz-animation: blink .75s linear infinite;
        -ms-animation: blink .75s linear infinite;
        -o-animation: blink .75s linear infinite;
        animation: blink .75s linear infinite;
        color: #F00;
        font-weight: bold;
    }
    
    @-webkit-keyframes blink {
        0% { opacity: 1; }
        50% { opacity: 1; }
        50.01% { opacity: 0; }
        100% { opacity: 0; }
    }
    
    @-moz-keyframes blink {
        0% { opacity: 1; }
        50% { opacity: 1; }
        50.01% { opacity: 0; }
        100% { opacity: 0; }
    }
    
    @-ms-keyframes blink {
        0% { opacity: 1; }
        50% { opacity: 1; }
        50.01% { opacity: 0; }
        100% { opacity: 0; }
    }
    
    @-o-keyframes blink {
        0% { opacity: 1; }
        50% { opacity: 1; }
        50.01% { opacity: 0; }
        100% { opacity: 0; }
    }
    
    @keyframes blink {
        0% { opacity: 1; }
        50% { opacity: 1; }
        50.01% { opacity: 0; }
        100% { opacity: 0; }
    }