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