gnu-social/plugins/Event/event.css

.event-tags li { display: inline; }
.event-mentions li { display: inline; }
.event-avatar { float: left; }
.event-notice-count { float: right; }
.event-info { float: left; }
.event-title { margin-left: 0px; }
#content .event .entry-title { margin-left: 0px; }
#content .event .entry-content { margin-left: 0px; }
.ui-autocomplete {
    max-height: 100px;
    overflow-y: auto;
    /* prevent horizontal scrollbar */
    overflow-x: hidden;
    /* add padding to account for vertical scrollbar */
    padding-right: 20px;
}

.attending-list { list-style-type: none; float: left; width: 100%; }

#form_event_rsvp { clear: left; }

li.rsvp-list { float: left; clear: left; }

li.rsvp-list ul.entities {
    display:inline;
}
li.rsvp-list .entities li {
    list-style-type: none;
    margin-right: 3px;
    margin-bottom: 8px;
    display: inline;
}
li.rsvp-list .entities li .photo {
    margin: 0 !important;
    float: none !important;
}
li.rsvp-list .entities li .fn {
    display: none;
}