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