Sub Alert Frage

[Tayron]

Moin,
Mal ne frage kann man per Css Code einstellen das beim Sub Alert angezeigt wird wie lange  er Subt  ?

Ich benutze den Link : http://deepbot.tv/notifications/subnotification1.htm

Und Den Code:   

#sub-notification {
  display: none;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 400px !important;
  height: 100px !important;
  background-repeat: no-repeat;
  background-image: url('http://i.imgur.com/N6Bo2Xc.png') !important;
  background-position-y: 0px;
}
#sub-notification .subname {
  margin-left: 100px !important;
  padding-top: 50px !important;
  width: 300px !important;
  text-align: center !important;
  line-height: 14px !important;
  font-size: 40px !important;
  font-family: impact  !important;
  text-shadow: 4px 4px 4px #000 !important;
  color: #ee6413 !important;
}