纯CSS简单实现的炫酷打字效果

.asprint {
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    -webkit-animation: dy 3s steps(60, end) infinite;
    animation: dy 3s steps(50, end) infinite;
}
 
@-webkit-keyframes dy {
    from {
        width: 0;
    }
}
 
@keyframes dy {
    from {
        width: 0;
    }
}

<p class="asprint">纯CSS简单实现炫酷打字效果~~~</p>