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