ul.imca-participants.imca-participants__key {
    list-style:none;
    column-count:1;
}
ul.imca-participants::after {
    content: "";
    clear: both;
    display: table;
}
ul.imca-participants__key li a {
    float:left;
    display:inline-block;
    border:1px solid #ccc;
    padding:.2em .3em;
    margin-right:2px;
    text-decoration:none;
}
ul.imca-participants__key li a:hover,
ul.imca-participants__key li a:visited:hover  {
    background:#efefef;
    text-decoration:none;
}
@media screen and (min-width:480px) {
    ul.imca-participants {
        columns: 2;
    }
}
@media screen and (min-width:760px) {
    ul.imca-participants {
        columns: 3;
    }
}
.imc-iframe {
    width    : 1px;
    min-width: 100%;
    border:none;
    height:1000px;
}
.imc-iframe-nav a.active {
    font-weight:bold;
    text-decoration:none;
}