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