w3-gray
w3-grayscale
w3-image-gray
w3-filter-gray
w3-round
w3-circle
w3-image-round
w3-rounded
w3-italic
w3-font-italic
w3-style-italic
w3-i
w3-center
w3-middle
w3-align-center
w3-text-center
w3-border-all
w3-bordered
w3-border
w3-frame
w3-left-border
w3-leftbar
w3-bar-left
w3-panel-left
Adds animation
Adds padding automatically
Makes div inline
Adds margin only
w3-margin-0
w3-no-margin
w3-margin-none
w3-margin-remove
10
12
16
Flexible, no fixed number
Sets the border color to black.
Adds a thin border with the default color.
Adds a thick border with a shadow effect.
Sets a custom border-radius.
Panel adds margins, container adds padding
Panel supports padding, container doesn't
Container supports borders, panel doesn't
No difference
w3-bg-green
w3-green-bg
w3-green
w3-bgcolor-green
RGB
HЕX
Material Design colors
CMYK
w3-text-justify
w3-align-justify
3-justify
w3-text-full
Serif
Sans-serif
Monospace
Handwritten
w3-right
w3-float-right
w3-align-right
w3-pull-right
It depends on jQuery for its functionality
It provides extensive JavaScript features by default
It is lightweight, responsive, and does not require external dependencies.
It is designed specifically for Angular and React projects.
Add the w3-responsive class to a <div>.
Add the w3-container class to a <div>.
Add the w3-center class to a <div>.
Add the w3-block class to a <div>.
Use w3-row for rows and w3-cell for columns.
Use w3-grid for rows and w3-column for columns.
Use w3-row-padding for rows and w3-col for columns.
Use w3-grid for rows and w3-cell-padding for columns.
w3-auto-img
w3-responsive
w3-scale
w3-image