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