css background属性合在一起写background-size background-positon

background:no-repeat scroll 56px 78px / 69px 69px rgba(0, 0, 0, 0) url(’…’);

background:no-repeat scroll 56px 78px(background-position)/(分割线) *69px 69px *(background-size ) rgba(0, 0, 0, 0);

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转载自blog.csdn.net/fly_wugui/article/details/105990696