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