Is equivalent to: border-top-left-radius: 2em 5em; border-top-right-radius: 2em 5em; border-bottom-right-radius: 2em 5em; border-bottom-left-radius: 2em 5em;
Is equivalent to: border-top-left-radius: 2em 0.5em; border-top-right-radius: 1em 3em; border-bottom-right-radius: 4em 0.5em; border-bottom-left-radius: 1em 3em;