.sprites{ background:url("sprites.png") top left no-repeat; }
.bg_moon_big{ width:600px; height:600px; background-position:-10px -10px; }
.bg_astro{ width:428px; height:428px; background-position:-10px -620px; }
.bg_devices{ width:423px; height:309px; background-position:-10px -1058px; }
.bg_iwatch{ width:140px; height:255px; background-position:-448px -620px; }
.bg_astronaut{ width:271px; height:236px; background-position:-10px -1377px; }
.bg_video_play{ width:88px; height:88px; background-position:-443px -1058px; }
.bg_appstore{ width:225px; height:78px; background-position:-291px -1377px; }
.bg_winstore{ width:248px; height:78px; background-position:-10px -1623px; }
.bg_googleplay{ width:225px; height:78px; background-position:-268px -1623px; }
.bg_macappstore{ width:260px; height:78px; background-position:-10px -1711px; }
.bg_app_icon{ width:64px; height:64px; background-position:-541px -1058px; }
.bg_arrow_left_b{ width:24px; height:61px; background-position:-526px -1377px; }
.bg_arrow_right_b{ width:24px; height:61px; background-position:-560px -1377px; }
.bg_arrow_right_w{ width:24px; height:60px; background-position:-503px -1623px; }
.bg_astro_pics{ width:402px; height:51px; background-position:-10px -1799px; }
.bg_ipad_pic{ width:40px; height:50px; background-position:-537px -1623px; }
.bg_imac_pic{ width:54px; height:44px; background-position:-280px -1711px; }
.bg_up_arrow_circle{ width:36px; height:36px; background-position:-344px -1711px; }
.bg_twitt{ width:36px; height:36px; background-position:-390px -1711px; }
.bg_facebook{ width:36px; height:36px; background-position:-436px -1711px; }
.bg_gplus{ width:36px; height:36px; background-position:-482px -1711px; }
.bg_iphone_pic{ width:18px; height:34px; background-position:-587px -1623px; }
.bg_left_arrow_triangle{ width:12px; height:30px; background-position:-598px -620px; }
.bg_five_stars{ width:106px; height:18px; background-position:-422px -1799px; }
.bg_page_dot{ width:12px; height:12px; background-position:-594px -1377px; }