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