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