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