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