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