#disciplines>ul{
    list-style: none;
    width: 1200px;
    max-width: 100%;
    margin: auto;
    box-sizing: border-box;
    padding: 0;
    text-align: center;
}
#disciplines>ul>li{
    display: inline-block;
    text-align: center;
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-family: "Century Gothic";
    font-weight: bold;
    text-transform: uppercase;
    margin: 5px 10px;
    padding: 10px 30px;
    background-color: #000;
    color: #fff;
    cursor: pointer;
    border-style: solid;
    border-width: 1px;
    border-color: #000;
    transition: background-color 1s, color 1s;
}
#disciplines>ul>.selected{
    background-color: #fff;
    color: #000;
}
#disciplines>ul>.unselected{
    background-color: #000;
    color: #fff;
}
#disciplines>.hidden{
    display: none;
}