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