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