.mixcr-check-region-header {
    font-family: monospace;
    font-size: 20px;
    color: black;
}
.mixcr-check-ok {
    font-family: monospace;
    font-size: 16px;
    color: black;
}
.mixcr-check-mut {
    font-family: monospace;
    font-size: 16px;
    color: red;
    }