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