background: url(/act/nba/welfare-center/20240112/m/images/signin-bg.png) 0 0 / 100% no-repeat; 背景图编译 0 0 / 100% no-repeat; 这块被当做除法给计算了 background: url(/act/nba/welfare-center/20240112/m/images/signin-bg.png) 0 0% no-repeat;
background: url(/act/nba/welfare-center/20240112/m/images/signin-bg.png) 0 0 / 100% no-repeat;
背景图编译 0 0 / 100% no-repeat; 这块被当做除法给计算了
background: url(/act/nba/welfare-center/20240112/m/images/signin-bg.png) 0 0% no-repeat;