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