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