gnu-social/plugins/Poll/css/poll.css

/* Poll specific styles */

.poll-block {
    float: left;
    height: 16px;
    background: #8aa;
    margin-right: 8px;
}

.poll-winner {
    background: #4af;
}

.notice div.poll-content {
    opacity: 1;
}

#poll-response-submit {
    min-width: 100px;
}