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