The Wolfram Language's symbolic control objects include options that make it easy to optimize both appearance and functionality in arbitrarily sophisticated interfaces.

Style — overall style for any expression

DefaultOptions — give default options to use for specified controls

Deploy — make only controls respond to mouse clicks

ImageSize — overall size (e.g. Small, Large)

ImageMargins — margins to leave around the control

BaselinePosition — how to align the control if it appears in text

ContentPadding — whether to shrink the margins tightly around contents

AutoAction — whether the control is affected even without clicking the mouse

ContinuousAction — whether to update continuously, or only on mouse release

Enabled — whether the control is enabled, or grayed out

HyperlinkAction — for hyperlinks, action to take when following the link

RemovalConditions — conditions under which to auto-remove attached cells

Appearance — overall appearance, with different possibilities for different control types

Background — background color of a control

BaseStyle — the base style to use for rendering the content of the control

MenuStyle — the base style to use for rendering menus invoked by a control

TooltipStyle — the base style to use for rendering tooltips

MinIntervalSize — minimum interval between sliders of an IntervalSlider

Exclusions — excluded points or regions in slider-like controls

FieldSize — size of the field allowed for input or contents

FieldCompletionFunction  ▪  FieldHint  ▪  FieldHintStyle  ▪  FieldMasked

Scrollbars  ▪  ScrollPosition

TransitionDirection  ▪  TransitionDuration  ▪  TransitionEffect

Multiselection — whether a picker control can allow multiple picks

ControlsRendering — style option to choose platform-specific or generic appearances