@media screen and (max-width: 640px) {

  .content.bg_gray {
  padding:16px;
  }

  .bx-wrapper img {
    max-width: 100%;
    display: block;
    max-height: 100% !important;
    margin: 0 auto;
  }

  div.fixbtncontent .col2content .colLeft {
  width:47%;
  float:left;

  padding:0 5px;
  color:#ffffff;
  }
  div.fixbtncontent .col2content .colRight {
  width:47%;
  float:left;

  padding:0 5px;
  }

  }