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