#tab-nav {
    border-radius: 10px 10px 10px 10px ;
}
#tab-nav span.tabnav {
    display: inline-block;
    padding: 15px 10px;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    /*background: #242526;*/
    border-radius: 10px 10px 0px 0px ;
}
#tab-nav span.active {
    background: #242526;
    border-radius: 10px 10px 10px 10px;
    border: 1px solid #242526;

}



@keyframes slidein {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* [CONTENTS] */
#tab-contents {
    padding: 15px;
    animation-duration: 0.5s;
    animation-name: slidein;
    background: #242526;  
    border-radius: 10px 10px 10px 10px;
    margin-top:10px;

}
#tab-contents div.tabtxt {
    display: none;
    animation-duration: 0.5s;
    animation-name: slidein;
}
#tab-contents div.active {
    display: block;
    animation-duration: 0.5s;
    animation-name: slidein;
}