.header .logo { width: 54px; height: 54px; margin:23px 0; text-align: center; border-radius: 54px; background: url("/static/images/icon/logo.png"); border: #e38d13 solid; transition: all 0.6s; } /* logo 水平反转 */ .header .logo:hover { background-position: -54px 0; }
原文：https://www.cnblogs.com/jiangfeilong/p/11217299.html