.dn {
  display: none;
}

.div-sound {
  position: absolute;
  width: 100%;
  height: 100%;
  background: #000;
  text-align: center;
  color: #fff;
}

.div-page {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.div-canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}


.div-content {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1000;
}

.sound-panel {
  width: 280px;
  height: 200px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  overflow: hidden;
}

.sound-title {
  margin: 0 0 30px;
}

.sound-button {
  float: left;
  width: 100px;
  height: 100px;
  border: 2px solid #ddd;
  border-radius: 50%;
  text-align: center;
  margin: 0 18px;
  cursor: pointer;
  /* font-style: italic; */
  font-size: 11px;
  font-weight: 600;

}

.sound-button:hover {
  border: 2px solid #ffffff;
  font-style: normal;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  transition: all  0.3s ease;
  background-color: rgba(255,255,255,0.4);
  z-index: 9999;
}

.sound-button img {
  width: 30px;
  height: 30px;
  margin: 20px 0 5px;
  z-index: -99999;

}