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