zoneminder/web/skins/classic/css/base/views/monitor.css

.swatch {
    border: 1px solid black;
    margin-left: 3px;
    padding: 0px;
}

.SourceOptions input,
.SourcePath input {
  width: 100%;
}

textarea,
input[name="newMonitor[Name]"],
input[name="newMonitor[ControlDevice]"],
input[name="newMonitor[ControlAddress]"] {
  width: 100%;
}
input[name="newMonitor[AnalysisFPSLimit]"],
input[name="newMonitor[MaxFPS]"],
input[name="newMonitor[AlarmMaxFPS]"],
input[name="newMonitor[V4LCapturesPerFrame]"]{
    width: 60px;
}
input[name="newMonitor[Port]"],
input[name="newMonitor[Refresh]"],
input[name="newMonitor[LabelX]"],
input[name="newMonitor[LabelY]"],
input[name="newMonitor[ImageBufferCount]"],
input[name="newMonitor[WarmupCount]"],
input[name="newMonitor[PreEventCount]"],
input[name="newMonitor[PostEventCount]"],
input[name="newMonitor[StreamReplayBuffer]"],
input[name="newMonitor[AlarmFrameCount]"],
input[name="newMonitor[AutoStopTimeout]"],
input[name="newMonitor[TrackDelay]"],
input[name="newMonitor[ReturnDelay]"],
input[name="newMonitor[Width]"],
input[name="newMonitor[Height]"] {
  width: 80px;
}
select.chosen {
  width: 100%;
}