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