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