Sizes expressed as percentages

block
original (50px)

block
resized 
down
(25%)

 

block
resized 
up (75%)

block
alone
original
300px

inline
original (50px)
inline
resized 
down
(25%)
inline
alone
original
inline
resized
up (75%)
inline
original
right float
inline
resized down
(25%)
right float
block
original
(very small resized to the min size)
inline
original
(very small)

Sizes expressed in pixels

block
original (50px)

block
resized 
down
(50px)

 

block
resized 
up (75px)

block
alone
original
300px

inline
original (50px)
inline
resized 
down
(25px)
inline
alone
original
inline
resized
up (75px)
inline
original
right float
inline
resized down
(25px)
right float