这篇文章将为大家详细讲解有关CSS3如何实现点击放大的动画，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。

示例代码

       
        @keyframes myfirst {
            0% {
                width: 50px;
                height: 50px;
                top: 10px;
                right: 10px;
            }
            75% {
                width: 60px;
                height: 60px;
                top: 5px;
                right: 5px;
            }
            100% {
                width: 50px;
                height: 50px;
                top: 10px;
                right: 10px;
            }
        }
        .warp {
            width: 400px;
            height: 300px;
            position: relative;
            background: #ccc;
        }
        .btn {
            position: absolute;
            width: 50px;
            height: 50px;
            border:solid 3px #cc3c24;
            top: 10px;
            right: 10px;
            border-radius: 8px;
            cursor: pointer;
        }
        .btn.cur{
            animation: myfirst 0.2s;
        }
        .btn.yes{
            background: #cc3c24;
        }