纯CSS实现简单的打字效果

首先是css

.print {
    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;
    }
}.print {
    width: 100%;
    whit