ul.tabs input[type='radio']{
    position: absolute;
    left: -9999px;
    /*    top: -9999px;*/
}

ul.tabs{
    list-style: none;
    float: none;
    position: relative;
    min-width: 400px;
    margin: 0px auto;
    text-align: left;
}

ul.tabs > li{
    float:left;
    width: 19%;
    margin-right: 1px;
}

ul.tabs li label{
    padding: 10px 10px;
    display: block;
    font-size: 18px;
    background: #2F7532;
    position: relative;
    cursor: pointer;
    color: #FFF;
    transform: skew(-28deg);
    -webkit-transform: skew(-28deg);
    -moz-transform: skew(-28deg);
    -o-transform: skew(-28deg);
    -ms-transform: skew(-28deg);
    border: 1px solid #2F7532;

}

[id^=tab]:checked + label{
    border: 1px solid #fff;
    background: none;
}

.content_tab{
    z-index:2;
    position:absolute;
    width:93%;
    left:0;
    padding:5px;
    padding-bottom:20px;
    color:#FFF;
    height:355px;
    display: none;
}

[id^=tab]:checked ~ [id^=tab_content]{
    display:block;

}