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