Element block pseudo-class :active generated with padding 20px box-sizing content-box cursor default transition position static border 3px rgba(0,0,0,1) solid font-weight normal float none line-height 1 font-size 16px overflow hidden height auto background display block margin 0px width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform border-radius z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2)