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