1. background-image的布满全屏
'background-image': 'url',
'width':'100%',
'max-width':'100%',
'max-height':'500px',
'height': '330px',
'background-size':'100% 100%',
'-moz-background-size':'100% 100%',
'background-repeat': 'no-repeat'
1. background-image的布满全屏
'background-image': 'url',
'width':'100%',
'max-width':'100%',
'max-height':'500px',
'height': '330px',
'background-size':'100% 100%',
'-moz-background-size':'100% 100%',
'background-repeat': 'no-repeat'