.ca-container {position: relative;margin: 20px auto 20px auto;width: 745px;height: 230px;}
.ca-wrapper {width: 100%;height: 100%;position: relative;}
.ca-item {position: relative;float: left;width: 33%;height: 100%;text-align: center;}
.ca-item-main {padding: 20px;position: absolute;top: 5px;left: 5px;right: 5px;bottom: 5px;background: #fff;overflow: hidden;-moz-box-shadow: 1px 1px 2px rgba(0,0,0,0.2);-webkit-box-shadow: 1px 1px 2px rgba(0,0,0,0.2);box-shadow: 1px 1px 2px rgba(0,0,0,0.2);}
.ca-content {width: 660px; overflow: hidden;}
.ca-nav span {width: 25px;height: 38px;background: transparent url(/img/arrows.png) no-repeat top left;position: absolute;top: 35%;margin-top: -19px;left: -40px;text-indent: -9000px;opacity: 0.7;cursor: pointer;z-index: 100;}
.ca-nav span.ca-nav-next {background-position: top right;left: auto;right: -40px;}
.ca-nav span:hover {opacity: 1.0;}