css基础

好记性不如烂笔头，记忆力不行就要记下来

①background-color

p {background-color: gray; padding: 20px;}

②background-image

body {background-image: url(/i/eg_bg_04.gif);}

③background-repeat

background-repeat: repeat-y;   //在y轴上重复

④background-position       //图片在背景的位置

background-position:center;                                                                    													

background-position:50% 50%;

background-position:50px 100px;

⑤background-attachment   //固定背景

background-attachment:fixed