Element block pseudo-element :after generated with height auto transition padding 20px overflow hidden cursor default width 160px border-radius display block float none border 0px rgba(0,0,0,1) solid font-size 16px margin 0px z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal line-height 1 background transform box-sizing content-box position static