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