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