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.btn_close{position:absolute;left:220px;top:50%;width:310px;height:80px;margin-top:250px;border:3px solid #fff;border-radius:40px;font:40px/80px "";text-align:center;color:#fff}@keyframes s3_tip_img{0%{background-position:0 0}2.78%{background-position:-320px 0}5.56%{background-position:-640px 0}8.33%{background-position:-960px 0}11.11%{background-position:-1280px 0}13.89%{background-position:-1600px 0}16.67%{background-position:0 -330px}19.44%{background-position:-320px -330px}22.22%{background-position:-640px -330px}25.00%{background-position:-960px -330px}27.78%{background-position:-1280px -330px}30.56%{background-position:-1600px -330px}33.33%{background-position:0 -660px}36.11%{background-position:-320px -660px}38.89%{background-position:-640px -660px}41.67%{background-position:-960px -660px}44.44%{background-position:-1280px -660px}47.22%{background-position:-1600px -660px}50.00%{background-position:0 -990px}52.78%{background-position:-320px -990px}55.56%{background-position:-640px -990px}58.33%{background-position:-960px -990px}61.11%{background-position:-1280px -990px}63.89%{background-position:-1600px -990px}66.67%{background-position:0 -1320px}69.44%{background-position:-320px -1320px}72.22%{background-position:-640px -1320px}75.00%{background-position:-960px -1320px}77.78%{background-position:-1280px -1320px}80.56%{background-position:-1600px -1320px}83.33%{background-position:0 -1650px}86.11%{background-position:-320px -1650px}88.89%{background-position:-640px -1650px}91.67%{background-position:-960px -1650px}94.44%{background-position:-1280px -1650px}97.22%{background-position:-1600px -1650px}100.00%{background-position:0 -1980px}}.music{position:absolute;top:50px;right:22px;width:70px;height:74px;background:url(../img/music.png) no-repeat;animation:music .8s linear infinite}.music.off{background-position:-70px 0}@keyframes music{from,to{transform:scale(1)}50%{transform:scale(1.1)}}@media screen and (min-height:1400px) and (max-height:2080px){.cover .title{margin-top:-590px}.cover .cloud_r{margin-top:-416px}.cover .cloud_l{margin-top:-290px}.cover .cloud_b{height:238px;background-image:url(../img/cover_cloud_b_x.png)}}.debug{position:absolute;left:0;top:0;width:1px;height:1px;background:rgba(0,0,0,.5);pointer-events:none}.debug canvas{width:100%;height:100%}