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