Jessei
12/21/2016 - 12:50 PM
常用
常用
background-position : length || length
background-position : position || position
background-position-x : length | left | center | right
background-position-y : length | top | center | bottom
background-image: url("d:\images\04.jpg");
background-position: 50% center;
background-repeat:no-repeat;