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