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