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