打字机效果 

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
		<style>
			.printer {
				overflow: hidden;
				font-size: 20px;
				width: 0;
				height: 30px;
				background-color: #ccc;
				white-space: nowrap;
				animation: printer 4s steps(20) forwards;
			}

			@keyframes printer {
				0% {
					width: 0;
				}

				100% {
					width: 400px;
				}
			}
		</style>
	</head>
	<body>
		<div class="printer">我在这里等你哦</div>
	</body>
</html>
posted @ 2020-09-10 21:05  MarkJacobs  阅读(119)  评论(0)    收藏  举报