heartbeat.css in Heartbeat 6.4

@CHARSET "UTF-8";
/** global css **/
div.beat-item blockquote {
  background: #ffffff url('images/blockquote-start.gif') 0 0 no-repeat;
  margin: 0 20px; padding: 0;
}
div.beat-item blockquote div {
  background: #ffffff url('images/blockquote-end.gif') 100% 100% no-repeat;
  padding: 30px 30px;
  margin: 0px 25px;
}
span.heartbeat_times {
  font-style: oblique;
  font-size: 0.75em;
}
a.heartbeat-older-messages {
  clear: both;
  display: block;
  width: 100%;
}
.underlined .activity-time {
  text-decoration: underline;
  color: #999;
}
div.heartbeat-message-block:hover .beat-item,
div.heartbeat-message-block.hover .beat-item {
  position: relative;
}
.hover-delete {
  display: none;
  color: #999;
}
div.heartbeat-message-block:hover .hover-delete,
div.heartbeat-message-block.hover .hover-delete {
  position: absolute; top: 2px; right: 2px; z-index: 1;
  display: inline;
}
div.heartbeat-message-block:hover .hover-delete a,
div.heartbeat-message-block.hover .hover-delete a {
  padding: 1px 3px;
  background-color: #999;
  color: #FFF;
}
div.heartbeat-message-block:hover .beat-item-ungrouped .hover-delete,
div.heartbeat-message-block.hover .beat-item-ungrouped .hover-delete {
  position: relative;
  margin-left: 10px;
}


/**  Custom throbber **/
.heartbeat-messages-waiting a,
.heartbeat-messages-waiting input {
  opacity: 0.5;
  filter: alpha(opacity=50); /* IE */
}
.heartbeat-messages-waiting .heartbeat-messages-throbber {
  background: url(images/heartbeat-throbber.gif) no-repeat right center;
  padding-right: 13px;
}

/** Heartbeat comments if available **/
.heartbeat-comments-activity .form-item {
  margin: 0.3em 0;
}
.heartbeat-comments-activity .form-submit {
    margin: 0 0 0 0;
}
.heartbeat-comment {
  position: relative;
}
.heartbeat-comment-delete {
  display: none;
  color: #999;
}
.heartbeat-comment:hover .heartbeat-comment-delete,
.heartbeat-comment.hover .heartbeat-comment-delete {
  position: absolute; top: 2px; right: 2px; z-index: 1;
  display: inline;
  padding: 1px 3px;
  background-color: #999;
  color: #FFF;
}