.flexslider:hover .flex-prev { opacity: 0.7; left: 10px; background: url(../images/common/pre_arrow.png) no-repeat left; }
.flexslider:hover .flex-next { opacity: 0.7; right: 10px; background: url(../images/common/next_arrow.png) no-repeat right; }
.flex-direction-nav a:before  { font-family: "flexslider-icon"; font-size: 40px; display: inline-block; content: ''; }
.flex-direction-nav a.flex-next:before  { content: ''; }