.com-classes-group-head i {
    background: url(../images/icon.png);
    }
    .com-classes {
    background: url(../images/class-bg.png) 0 0 repeat-x;
    }
    .com-classes-bottom {
    background: url(../images/class-bg.png) left bottom repeat-x;
    }
    .ccjt {
    background: url(../images/jt1.png) no-repeat;
    }
    #menu .com-classes-btn .owl-prev{
    background: url(../images/nav-pre.png) no-repeat;
    }
    #menu .com-classes-btn .owl-next{
    background: url(../images/nav-next.png) no-repeat;
    }
    .com-search{
    background: url(../images/seach-bg.png) no-repeat;
    }