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