.callbacks_container {
  margin-bottom:20px;
  position: relative;
  float: left;
  width: 100%;
  }

.callbacks {
  position: relative;
  list-style: none;
  overflow: hidden;
  width: 100%;
  padding: 0;
  margin: 0;
  }

.callbacks li {
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  }

.callbacks img {
  display: block;
  position: relative;
  z-index: 1;
  height: auto;
  width: 100%;
  border: 0;
  }

.callbacks .caption {
  display: block;
  position: absolute;
  z-index: 2;
  font-size: 20px;
  text-shadow: none;
  color: #fff;  
  left: 33px;
  right: 0;
  top:40px;
  padding:0;
  margin: 0;
  max-width: none;
  }

.callbacks_nav {
  position: absolute;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  top: 52%;
  left: 0;
  opacity: 0.7;
  z-index: 3;
  text-indent: -9999px;
  overflow: hidden;
  text-decoration: none;
  height: 41px;
  width: 38px;
  background: transparent url(../images/themes.gif) no-repeat left center;
  margin-top: -25px;
  }

.callbacks_nav:active {
  opacity: 1.0;
  }

.callbacks_nav.next {
  left: auto;
  background-position: right center;
  right: 0;
  }