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