Every property listed here is accessible through Site Designer’s visual Style pane without writing code. Properties not listed here can still be applied — use the CSS pane to write custom rules directly.
Typography
Property
Notes
font-family
Select from Google Fonts, system fonts, or uploaded custom fonts
font-size
px, em, rem, vw, or clamp() via manual input
font-weight
Numeric (100–900) or keyword (normal, bold)
font-style
normal, italic, oblique
line-height
Unitless, px, or em
letter-spacing
px or em
text-align
left, center, right, justify
text-transform
none, uppercase, lowercase, capitalize
text-decoration
none, underline, line-through, overline
text-shadow
Visual builder with color, offset X/Y, blur
color
Color picker with hex, RGB, HSL, and opacity
white-space
normal, nowrap, pre, pre-wrap
word-break
normal, break-all, keep-all
Box model
Property
Notes
width
px, %, vw, auto
height
px, %, vh, auto
min-width
px, %, vw
max-width
px, %, vw, none
min-height
px, %, vh
max-height
px, %, vh, none
padding
Individual sides (top, right, bottom, left)
margin
Individual sides; auto for centering
box-sizing
content-box, border-box
Background
Property
Notes
background-color
Color picker
background-image
Upload or URL; gradient builder also available
background-size
cover, contain, or custom px/%
background-position
Visual selector (9-point grid) or custom values
background-repeat
no-repeat, repeat, repeat-x, repeat-y
background-attachment
scroll, fixed (parallax effect), local
background-blend-mode
multiply, screen, overlay, and all other blend modes
Border
Property
Notes
border
Width, style (solid/dashed/dotted), color per side