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