.ringtone_content {width:100%;}
.ringtone_content .clearfix {display:block; background-color:#333;}
.ringtone_content .clearfix:after{content:"";display:block;clear:both;visibility:hidden;line-height:0;height:0;}
.ringtone_content .btn_toggle_play {position:absolute; top:0; left:0; width:100%; height:100%; font-size:0;}
.ringtone_content .btn_toggle_play:after {content:""; position:absolute; top:42%; left:39%; width:22%; height:22%; border-radius:50%; background:rgba(255,255,255,.3) url(./images/ico_toggle_play.png) no-repeat right center; background-size:auto 100%;}
.ringtone_content .is_play .btn_toggle_play:after {background-position:left center;}
.content_view .text_cont .ringtone_content li {margin:0; padding:0; list-style-type:none; position:relative; float:left; width:33.3333%; height:0; padding-bottom:33.3333%; background-repeat:no-repeat; background-size:cover; background-position:50%;}