@charset "utf-8";
.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;
}

.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%;
}