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