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