#wrapper {
  width:100%; height:auto;
  }

/* Callback example */

.callbacks_container {
  position: relative;
  float: left;
  width: 100%;
  }

.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: 61px;
  width: 38px;
  background: transparent url("themes/themes.gif") no-repeat left top;
  margin-top: -45px;
  }

.callbacks_nav:active {
  opacity: 1.0;
  }

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