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