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