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