/* BASIC css start */
.bbs_board_menu{

    box-sizing: border-box;
    overflow: hidden;
    margin: 60px auto;
   text-align:center;
}
.bbs_board_menu > a{

    display: inline-block;
    width: 25%;
    height: 76px;
    line-height: 75px;
    border: solid 1px #bababa;
    border-left: none;
    float: left;
    box-sizing: border-box;
    color: #757575;
    font-size: 17px;
    text-align: center;
    background: #fff;
    color: #757575;
}

.bbs_board_menu > a:hover,
.bbs_board_menu > a.bbs_on{
    background: #333;
    color: #fff;
    font-weight: bold;
}

.bbs_board_menu > a{
    -webkit-transition: all .35s cubic-bezier(.25, .1, .11, .99);
    -moz-transition: all .35s cubic-bezier(.25, .1, .11, .99);
    transition: all .35s cubic-bezier(.25, .1, .11, .99);
}
.bbs_board_menu > a:nth-child(-n+4) { border-bottom: none; } 
.bbs_board_menu > a:first-child, .bbs_board_menu > a:nth-child(5n) { border-left: 1px solid #bababa; }

.bbs_board_menu p, .bbs_board_menu a {}

/* BASIC css end */