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