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