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