.download li {
  border: 1px solid #cfcfcf;
  margin-bottom: 15px;
  background: #fafafa;
  overflow: hidden;
  line-height: 60px;
}

.download li .download-title {
  font-size: 14px;
  color: #666;
}

.download li .download-size {
  text-align: center;
  color: #999;
}

.download li .download-btn {
  text-align: right;
  height: 60px;
  line-height: 60px;
}
.download li .download-btn a {
    color: #333;
    background-color: transparent;
    padding: 0 30px;
    display: block;
    background-image: url(../image/down.svg);
    line-height: 60px;
    background-size: 17px;
    background-repeat: no-repeat;
    background-position: right center;
}
@media (max-width:768px){
  .download li .download-size{
    text-align: left;
  }
  .col-md-6.download-title {
    line-height: 2;
    margin-top: 10px;
}
}