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