Image sprites are used in numerous web apps where multiple images are used. Rather than include each image as a separate image file, it is much more memory and bandwidth-friendly to send them as a single image, so the number of HTTP requests is reduced.
The flex-grow CSS property specifies the flex grow factor of a flex item. It specifies what amount of space inside the flex container the item should take up.
The flex-shrink CSS property specifies the flex shrink factor of a flex item.
The -moz-outline-radius-bottomleft CSS property sets the rounding of the bottom-left corner of the outline within Mozilla applications.
The -moz-outline-radius-bottomright CSS property sets the rounding of the bottom-right corner of the outline within Mozilla applications.
The -moz-outline-radius-topleft CSS property sets the rounding of the top-left corner of the outline within Mozilla applications.
The -moz-outline-radius-topright CSS property sets the rounding of the top-right corner of the outline within Mozilla applications.
The -moz-user-focus CSS property is used to indicate whether the element can have the focus.
The offset-block-end CSS property defines the logical block end offset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the toprightbottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
The offset-block-start CSS property defines the logical block start offset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the toprightbottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
The offset-inline-start CSS property defines the logical inline start offset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the toprightbottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.