.astronomy-seminar, .cs-astronomy-seminar {
    background-color: #abe1fd;
    border: 1px solid #aaa;
    color: #000;
}
.het-seminar, .cs-het-seminar {
    background-color: #b6dce1;
    border: 1px solid #aaa;
    color: #000;
}
.hepec-seminar, .cs-hepec-seminar {
    background-color: #f4f0ec;
    border: 1px solid #aaa;
    color: #000;
}
.star-party, .cs-star-party {
    background-color: #f0e0a2;
    border: 1px solid #aaa;
    color: #000;
}
.colloquium, .cs-colloquium {
    background-color: #fed1be;
    border: 1px solid #aaa;
    color: #000;
}

.condensed-matter, .cs-condensed-matter {
    background-color: #b6dce1;
    border: 1px solid #aaa;
    color: #000;
}

.osa, .cs-osa {
    background-color: #abe1fd;
    border: 1px solid #aaa;
    color: #000;
}
.cmjc, .cs-cmjc {
    background-color: #c8abc7;
    border: 1px solid #aaa;
    color: #000;
}
.lectures, .cs-lectures {
    background-color: #edbcc0;
    border: 1px solid #aaa;
    color: #000;
}

.just-add-science, .cs-just-add-science {
    background-color: #f4f0ec;
    border: 1px solid #aaa;
    color: #000;
}