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