.sectionTitle {
  position: relative;
  padding: 0 0 5px 20px;
  border-bottom: 1px solid #005eae;
  font-weight: bold;
  font-size: 16px;
}
.sectionTitle:after {
  content: "";
  position: absolute;
  left: 1%;
  bottom: -4px;
  border-bottom: 1px solid #89bdde;
  width: 98%;
}

.audioList {
  margin: 20px -10px 0;
}
.audioList:after {
  content: "";
  display: block;
  clear: both;
}
.audioList > section {
  box-sizing: border-box;
  float: left;
  width: 33.33%;
  padding: 0 10px;
}
.audioList > section .audio {
  overflow: auto;
  margin: 30px 0 0;
  text-align: center;
}

/* smart phone */
@media only screen and (max-width: 768px) {
  .audioList {
    margin: 20px 0 0;
  }
  .audioList > section {
    float: none;
    width: auto;
    padding: 0;
    margin: 30px 0 0;
  }
  .audioList > section .audio {
    margin: 20px 0 0;
    text-align: left;
  }
}
/* tablet */