my CSS
ul{ overflow:hidden; } li{ display:inline-block; }
my HTML
a b
This works as you wish:
abcdefghijklmonpqrstuvwxyz abcdefghijklmonpqrstuvwxyz abcdefghijklmonpqrstuvwxyz abcdefghijklmonpqrstuvwxyz abcdefghijklmonpqrstuvwxyz abcdefghijklmonpqrstuvwxyz abcdefghijklmonpqrstuvwxyz