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