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