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