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