Element block pseudo-class :active generated with padding 20px border-radius float none z-index auto position static cursor default overflow hidden transform background display block margin 0px font-size 16px width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid transition line-height 1 font-weight bold text-shadow 2px 0px 1px rgba(0,0,0,0.2) box-sizing content-box height auto